Suppress devicelab logs

For any builder added to `SUPPRESS_LOG_BUILDER_LIST`, logs will be suppressed. We use a builder list here in recipes to enhance security, compared to a property flag defined in .ci.yaml.

Led run: https://ci.chromium.org/raw/build/logs.chromium.org/flutter/led/keyonghan_google.com/3c8565df5ebe3882b2fca398f9342c8e37d73440c85fd50e1cde27f49839256e/+/build.proto?server=chromium-swarm.appspot.com

Change-Id: I7c92d8775f908d67fc2364367616376a841f8f7a
Bug: b/231460791, https://github.com/flutter/flutter/issues/102939
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/30241
Commit-Queue: Keyong Han <keyonghan@google.com>
Reviewed-by: Yusuf Mohsinally <mohsinally@google.com>
diff --git a/recipe_modules/test_utils/api.py b/recipe_modules/test_utils/api.py
index 07d27dd..3121ac4 100644
--- a/recipe_modules/test_utils/api.py
+++ b/recipe_modules/test_utils/api.py
@@ -100,7 +100,7 @@
         str(self.m.swarming.bot_id).startswith('flutter-win')
     )
 
-  def run_test(self, step_name, command_list, timeout_secs=TIMEOUT_SECS, infra_step=False):
+  def run_test(self, step_name, command_list, timeout_secs=TIMEOUT_SECS, infra_step=False, suppress_log=False):
     """Recipe's step wrapper to collect stdout and add it to step_summary.
 
     Args:
@@ -109,6 +109,7 @@
         parameters to execute.
       timeout_secs(int): The timeout in seconds for this step.
       infra_step: mark step as an infra step
+      suppress_log: flag whether test logs are suppressed.
 
     Returns(str): The status of the test step. A str `flaky` or `success` will
       be returned when step succeeds, and an exception will be thrown out when
@@ -131,10 +132,11 @@
       stderr = self._truncateString(result.stderr)
       raise self.m.step.StepFailure('\n\n```%s```\n' % (stdout or stderr))
     finally:
-      self.m.step.active_result.presentation.logs[
-          'test_stdout'] = self.m.step.active_result.stdout
-      self.m.step.active_result.presentation.logs[
-          'test_stderr'] = self.m.step.active_result.stderr
+      if not suppress_log:
+        self.m.step.active_result.presentation.logs[
+            'test_stdout'] = self.m.step.active_result.stdout
+        self.m.step.active_result.presentation.logs[
+            'test_stderr'] = self.m.step.active_result.stderr
     if self._is_flaky(step.stdout):
       test_run_status = 'flaky'
     else:
diff --git a/recipes/devicelab/devicelab_drone.expected/basic.json b/recipes/devicelab/devicelab_drone.expected/basic.json
index f2e1e91..7b0f9ff 100644
--- a/recipes/devicelab/devicelab_drone.expected/basic.json
+++ b/recipes/devicelab/devicelab_drone.expected/basic.json
@@ -243,69 +243,6 @@
   },
   {
     "cmd": [],
-    "name": "Initialize logs"
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "ensure-directory",
-      "--mode",
-      "0777",
-      "[CLEANUP]/flutter_logs_dir"
-    ],
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Initialize logs.Ensure [CLEANUP]/flutter_logs_dir",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "",
-      "[CLEANUP]/flutter_logs_dir/noop.txt"
-    ],
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Initialize logs.Write noop file",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [],
     "name": "Dependencies"
   },
   {
@@ -357,8 +294,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -399,8 +334,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -441,8 +374,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -494,8 +425,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -528,480 +457,7 @@
       }
     },
     "name": "run abc",
-    "timeout": 1800,
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@test_stdout@#flaky@@@",
-      "@@@STEP_LOG_LINE@test_stdout@this is a flaky@@@",
-      "@@@STEP_LOG_LINE@test_stdout@flaky: true@@@",
-      "@@@STEP_LOG_END@test_stdout@@@",
-      "@@@STEP_LOG_LINE@test_stderr@@@@",
-      "@@@STEP_LOG_END@test_stderr@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "process logs"
-  },
-  {
-    "cmd": [
-      "python3",
-      "-u",
-      "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
-      "--",
-      "RECIPE_REPO[depot_tools]/gsutil.py",
-      "-m",
-      "----",
-      "cp",
-      "-r",
-      "[CLEANUP]/flutter_logs_dir",
-      "gs://flutter_logs/flutter/2d72510e447ab60a9728aeea2362d8be2cbd7789/abc/00000000-0000-0000-0000-000000001337"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "process logs.gsutil upload logs 2d72510e447ab60a9728aeea2362d8be2cbd7789",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LINK@archive logs@https://console.cloud.google.com/storage/browser/flutter_logs/flutter/2d72510e447ab60a9728aeea2362d8be2cbd7789/abc/00000000-0000-0000-0000-000000001337@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "glob",
-      "[CLEANUP]/flutter_logs_dir",
-      "*"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "process logs.logs",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@glob@[CLEANUP]/flutter_logs_dir/a.txt@@@",
-      "@@@STEP_LOG_END@glob@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "log links",
-    "~followup_annotations": [
-      "@@@STEP_LINK@myfile.txt@https://storage.googleapis.com/flutter_logs/flutter/2d72510e447ab60a9728aeea2362d8be2cbd7789/abc/00000000-0000-0000-0000-000000001337/myfile.txt@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "listdir",
-      "[CLEANUP]/flutter_logs_dir",
-      "--recursive"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "log links.List logs path",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@listdir@[CLEANUP]/flutter_logs_dir/myfile.txt@@@",
-      "@@@STEP_LOG_END@listdir@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "Killing Processes"
-  },
-  {
-    "cmd": [
-      "pkill",
-      "chrome"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill chrome",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "dart"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill dart",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "flutter"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill flutter",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "java"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill java",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "adb"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill adb",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "top",
-      "-b",
-      "-n",
-      "3",
-      "-o",
-      "%MEM"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "OS info (2)"
+    "timeout": 1800
   },
   {
     "cmd": [
@@ -1011,8 +467,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
diff --git a/recipes/devicelab/devicelab_drone.expected/local-engine.json b/recipes/devicelab/devicelab_drone.expected/local-engine.json
index 8e7ff23..56605bf 100644
--- a/recipes/devicelab/devicelab_drone.expected/local-engine.json
+++ b/recipes/devicelab/devicelab_drone.expected/local-engine.json
@@ -243,69 +243,6 @@
   },
   {
     "cmd": [],
-    "name": "Initialize logs"
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "ensure-directory",
-      "--mode",
-      "0777",
-      "[CLEANUP]/flutter_logs_dir"
-    ],
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Initialize logs.Ensure [CLEANUP]/flutter_logs_dir",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "",
-      "[CLEANUP]/flutter_logs_dir/noop.txt"
-    ],
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Initialize logs.Write noop file",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [],
     "name": "Dependencies"
   },
   {
@@ -496,8 +433,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
       "LUCI_BRANCH": "",
@@ -540,8 +475,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
       "LUCI_BRANCH": "",
@@ -584,8 +517,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
       "LUCI_BRANCH": "",
@@ -642,8 +573,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
       "LUCI_BRANCH": "",
@@ -679,505 +608,7 @@
       }
     },
     "name": "run abc",
-    "timeout": 1800,
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@test_stdout@@@@",
-      "@@@STEP_LOG_END@test_stdout@@@",
-      "@@@STEP_LOG_LINE@test_stderr@@@@",
-      "@@@STEP_LOG_END@test_stderr@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "process logs"
-  },
-  {
-    "cmd": [
-      "python3",
-      "-u",
-      "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
-      "--",
-      "RECIPE_REPO[depot_tools]/gsutil.py",
-      "-m",
-      "----",
-      "cp",
-      "-r",
-      "[CLEANUP]/flutter_logs_dir",
-      "gs://flutter_logs/flutter/2d72510e447ab60a9728aeea2362d8be2cbd7789/abc/00000000-0000-0000-0000-000000001337"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "process logs.gsutil upload logs 2d72510e447ab60a9728aeea2362d8be2cbd7789",
-    "~followup_annotations": [
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-      "@@@STEP_LINK@archive logs@https://console.cloud.google.com/storage/browser/flutter_logs/flutter/2d72510e447ab60a9728aeea2362d8be2cbd7789/abc/00000000-0000-0000-0000-000000001337@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "glob",
-      "[CLEANUP]/flutter_logs_dir",
-      "*"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
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-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
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-      "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
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-    "env_prefixes": {
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-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "process logs.logs",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@glob@[CLEANUP]/flutter_logs_dir/a.txt@@@",
-      "@@@STEP_LOG_END@glob@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "log links",
-    "~followup_annotations": [
-      "@@@STEP_LINK@myfile.txt@https://storage.googleapis.com/flutter_logs/flutter/2d72510e447ab60a9728aeea2362d8be2cbd7789/abc/00000000-0000-0000-0000-000000001337/myfile.txt@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "listdir",
-      "[CLEANUP]/flutter_logs_dir",
-      "--recursive"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
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-    "env_prefixes": {
-      "PATH": [
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-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
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-        "name": "test:ci"
-      },
-      "resultdb": {
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-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "log links.List logs path",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@listdir@[CLEANUP]/flutter_logs_dir/myfile.txt@@@",
-      "@@@STEP_LOG_END@listdir@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "Killing Processes"
-  },
-  {
-    "cmd": [
-      "pkill",
-      "chrome"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
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-      "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
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-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
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-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill chrome",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "dart"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
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-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
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-    "infra_step": true,
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-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill dart",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "flutter"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
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-      "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
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-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
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-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
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-    "infra_step": true,
-    "luci_context": {
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-          "update_token": "token"
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-        "hostname": "rdbhost"
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-    },
-    "name": "Killing Processes.kill flutter",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "java"
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-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
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-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
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-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill java",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "adb"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill adb",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "top",
-      "-b",
-      "-n",
-      "3",
-      "-o",
-      "%MEM"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/builder/src/out/host-release/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "test:ci"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "OS info (2)"
+    "timeout": 1800
   },
   {
     "cmd": [],
@@ -1195,8 +626,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
       "LUCI_BRANCH": "",
@@ -1247,8 +676,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
       "LUCI_BRANCH": "",
@@ -1295,8 +722,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
       "LUCI_BRANCH": "",
@@ -1347,8 +772,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
       "LUCI_BRANCH": "",
@@ -1406,8 +829,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GCP_PROJECT": "flutter-infra",
       "GIT_BRANCH": "master",
       "LOCAL_ENGINE": "[CLEANUP]/builder/src/out/host-release",
diff --git a/recipes/devicelab/devicelab_drone.expected/no-task-name.json b/recipes/devicelab/devicelab_drone.expected/no-task-name.json
index db7713e..a801877 100644
--- a/recipes/devicelab/devicelab_drone.expected/no-task-name.json
+++ b/recipes/devicelab/devicelab_drone.expected/no-task-name.json
@@ -19,7 +19,7 @@
       "The recipe has crashed at point 'Uncaught exception'!",
       "",
       "Traceback (most recent call last):",
-      "  File \"RECIPE_REPO[flutter]/recipes/devicelab/devicelab_drone.py\", line 44, in RunSteps",
+      "  File \"RECIPE_REPO[flutter]/recipes/devicelab/devicelab_drone.py\", line 46, in RunSteps",
       "    raise ValueError('A task_name property is required')",
       "ValueError('A task_name property is required')"
     ]
diff --git a/recipes/devicelab/devicelab_drone.expected/no-upload-metrics-linux-staging.json b/recipes/devicelab/devicelab_drone.expected/no-upload-metrics-linux-staging.json
index a40c6a1..f3c86cb 100644
--- a/recipes/devicelab/devicelab_drone.expected/no-upload-metrics-linux-staging.json
+++ b/recipes/devicelab/devicelab_drone.expected/no-upload-metrics-linux-staging.json
@@ -243,69 +243,6 @@
   },
   {
     "cmd": [],
-    "name": "Initialize logs"
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "ensure-directory",
-      "--mode",
-      "0777",
-      "[CLEANUP]/flutter_logs_dir"
-    ],
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Initialize logs.Ensure [CLEANUP]/flutter_logs_dir",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "",
-      "[CLEANUP]/flutter_logs_dir/noop.txt"
-    ],
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Initialize logs.Write noop file",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [],
     "name": "Dependencies"
   },
   {
@@ -357,8 +294,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -399,8 +334,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -441,8 +374,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -494,8 +425,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -528,478 +457,7 @@
       }
     },
     "name": "run abc",
-    "timeout": 1800,
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@test_stdout@@@@",
-      "@@@STEP_LOG_END@test_stdout@@@",
-      "@@@STEP_LOG_LINE@test_stderr@@@@",
-      "@@@STEP_LOG_END@test_stderr@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "process logs"
-  },
-  {
-    "cmd": [
-      "python3",
-      "-u",
-      "RECIPE_MODULE[depot_tools::gsutil]/resources/gsutil_smart_retry.py",
-      "--",
-      "RECIPE_REPO[depot_tools]/gsutil.py",
-      "-m",
-      "----",
-      "cp",
-      "-r",
-      "[CLEANUP]/flutter_logs_dir",
-      "gs://flutter_logs/flutter/2d72510e447ab60a9728aeea2362d8be2cbd7789/abc/00000000-0000-0000-0000-000000001337"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "process logs.gsutil upload logs 2d72510e447ab60a9728aeea2362d8be2cbd7789",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LINK@archive logs@https://console.cloud.google.com/storage/browser/flutter_logs/flutter/2d72510e447ab60a9728aeea2362d8be2cbd7789/abc/00000000-0000-0000-0000-000000001337@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "glob",
-      "[CLEANUP]/flutter_logs_dir",
-      "*"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "process logs.logs",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@glob@[CLEANUP]/flutter_logs_dir/a.txt@@@",
-      "@@@STEP_LOG_END@glob@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "log links",
-    "~followup_annotations": [
-      "@@@STEP_LINK@myfile.txt@https://storage.googleapis.com/flutter_logs/flutter/2d72510e447ab60a9728aeea2362d8be2cbd7789/abc/00000000-0000-0000-0000-000000001337/myfile.txt@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "vpython",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "listdir",
-      "[CLEANUP]/flutter_logs_dir",
-      "--recursive"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "log links.List logs path",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@listdir@[CLEANUP]/flutter_logs_dir/myfile.txt@@@",
-      "@@@STEP_LOG_END@listdir@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "Killing Processes"
-  },
-  {
-    "cmd": [
-      "pkill",
-      "chrome"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill chrome",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "dart"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill dart",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "flutter"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill flutter",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "java"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill java",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "pkill",
-      "adb"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "Killing Processes.kill adb",
-    "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "top",
-      "-b",
-      "-n",
-      "3",
-      "-o",
-      "%MEM"
-    ],
-    "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
-    "env": {
-      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "GIT_BRANCH": "master",
-      "LUCI_BRANCH": "",
-      "LUCI_CI": "True",
-      "LUCI_PR": "",
-      "OS": "linux",
-      "PUB_CACHE": "[START_DIR]/.pub-cache",
-      "REVISION": "2d72510e447ab60a9728aeea2362d8be2cbd7789",
-      "SDK_CHECKOUT_PATH": "[CLEANUP]/tmp_tmp_1/flutter sdk"
-    },
-    "env_prefixes": {
-      "PATH": [
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin",
-        "[CLEANUP]/tmp_tmp_1/flutter sdk/bin/cache/dart-sdk/bin",
-        "[CLEANUP]/tmp_tmp_2/vpython"
-      ]
-    },
-    "infra_step": true,
-    "luci_context": {
-      "realm": {
-        "name": "project:staging"
-      },
-      "resultdb": {
-        "current_invocation": {
-          "name": "invocations/build:8945511751514863184",
-          "update_token": "token"
-        },
-        "hostname": "rdbhost"
-      }
-    },
-    "name": "OS info (2)"
+    "timeout": 1800
   },
   {
     "cmd": [
@@ -1015,8 +473,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -1071,8 +527,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -1123,8 +577,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
@@ -1184,8 +636,6 @@
     "cwd": "[CLEANUP]/tmp_tmp_1/flutter sdk/dev/devicelab",
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
-      "FLUTTER_LOGS_DIR": "[CLEANUP]/flutter_logs_dir",
-      "FLUTTER_TEST_OUTPUTS_DIR": "[CLEANUP]/flutter_logs_dir",
       "GIT_BRANCH": "master",
       "LUCI_BRANCH": "",
       "LUCI_CI": "True",
diff --git a/recipes/devicelab/devicelab_drone.py b/recipes/devicelab/devicelab_drone.py
index 0de44cd..60e07af 100644
--- a/recipes/devicelab/devicelab_drone.py
+++ b/recipes/devicelab/devicelab_drone.py
@@ -34,6 +34,8 @@
 # Fifteen minutes
 MAX_TIMEOUT_SECS = 30 * 60
 
+# Any builder in this list will have logs suppressed.
+SUPPRESS_LOG_BUILDER_LIST = ['Linux abc']
 
 def RunSteps(api):
   # Collect memory/cpu/process before task execution.
@@ -62,7 +64,12 @@
         stdout=api.raw_io.output_text()
     ).stdout.rstrip()
   env, env_prefixes = api.repo_util.flutter_environment(flutter_path)
-  api.logs_util.initialize_logs_collection(env)
+
+  builder_name = api.properties.get('buildername')
+  suppress_log = builder_name in SUPPRESS_LOG_BUILDER_LIST
+
+  if not suppress_log:
+    api.logs_util.initialize_logs_collection(env)
   with api.step.nest('Dependencies'):
     api.flutter_deps.flutter_engine(env, env_prefixes)
     deps = api.properties.get('dependencies', [])
@@ -82,7 +89,7 @@
   # Run test
   runner_params = [
       '-t', task_name, '--results-file', results_path, '--luci-builder',
-      api.properties.get('buildername')
+      builder_name
   ]
   if 'LOCAL_ENGINE' in env:
     runner_params.extend(['--local-engine', env['LOCAL_ENGINE']])
@@ -106,12 +113,12 @@
       if str(api.swarming.bot_id).startswith('flutter-devicelab'):
         with api.devicelab_osx_sdk('ios'):
           test_status = mac_test(
-              api, env, env_prefixes, flutter_path, task_name, runner_params
+              api, env, env_prefixes, flutter_path, task_name, runner_params, suppress_log
           )
       else:
         with api.osx_sdk('ios'):
           test_status = mac_test(
-              api, env, env_prefixes, flutter_path, task_name, runner_params
+              api, env, env_prefixes, flutter_path, task_name, runner_params, suppress_log
           )
     else:
       with api.context(env=env, env_prefixes=env_prefixes):
@@ -127,17 +134,19 @@
           test_status = api.test_utils.run_test(
               'run %s' % task_name,
               test_runner_command,
-              timeout_secs=MAX_TIMEOUT_SECS
+              timeout_secs=MAX_TIMEOUT_SECS,
+              suppress_log=suppress_log,
           )
         finally:
-          debug_after_failure(api, task_name)
+          if not suppress_log:
+            debug_after_failure(api, task_name)
         if test_status == 'flaky':
           api.test_utils.flaky_step('run %s' % task_name)
   with api.context(env=env, env_prefixes=env_prefixes, cwd=devicelab_path):
     uploadResults(
         api, env, env_prefixes, results_path, test_status == 'flaky',
         git_branch, api.properties.get('buildername'), commit_time, task_name,
-        benchmark_tags
+        benchmark_tags, suppress_log=suppress_log
     )
     uploadMetricsToCas(api, results_path)
 
@@ -151,7 +160,7 @@
   api.os_utils.collect_os_info()
 
 
-def mac_test(api, env, env_prefixes, flutter_path, task_name, runner_params):
+def mac_test(api, env, env_prefixes, flutter_path, task_name, runner_params, suppress_log):
   """Runs a devicelab mac test."""
   api.flutter_deps.gems(
       env, env_prefixes, flutter_path.join('dev', 'ci', 'mac')
@@ -172,7 +181,8 @@
       test_status = api.test_utils.run_test(
           'run %s' % task_name,
           test_runner_command,
-          timeout_secs=MAX_TIMEOUT_SECS
+          timeout_secs=MAX_TIMEOUT_SECS,
+          suppress_log=suppress_log,
       )
     finally:
       debug_after_failure(api, task_name)
@@ -206,6 +216,7 @@
     task_name,
     benchmark_tags,
     test_status='Succeeded',
+    suppress_log=False,
 ):
   """Upload DeviceLab test results to Cocoon/skia perf.
 
@@ -231,6 +242,7 @@
     task_name(str): The task name of the current test.
     benchmark_tags(str): Json dumped str of benchmark tags, which includes host and device info.
     test_status(str): The status of the test running step.
+    suppress_log(bool): Flag whether test logs are suppressed.
   """
   if shouldNotUpdate(api, git_branch):
     return
@@ -263,7 +275,16 @@
     upload_command = ['dart', 'bin/test_runner.dart', 'upload-metrics']
     upload_command.extend(runner_params)
     with api.context(env=env, env_prefixes=env_prefixes):
-      api.step('upload results', upload_command, infra_step=True)
+      if suppress_log:
+        api.step(
+            'upload results',
+            upload_command,
+            infra_step=True,
+            stdout=api.raw_io.output_text(),
+            stderr=api.raw_io.output_text(),
+        )
+      else:
+        api.step('upload results', upload_command, infra_step=True)
 
 
 def uploadMetricsToCas(api, results_path):