Add android semantics integration test to device lab (#20971)

diff --git a/dev/devicelab/bin/tasks/android_semantics_integration_test.dart b/dev/devicelab/bin/tasks/android_semantics_integration_test.dart
new file mode 100644
index 0000000..fa9b10e
--- /dev/null
+++ b/dev/devicelab/bin/tasks/android_semantics_integration_test.dart

@@ -0,0 +1,12 @@
+// Copyright 2018 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter_devicelab/framework/adb.dart';
+import 'package:flutter_devicelab/framework/framework.dart';
+import 'package:flutter_devicelab/tasks/integration_tests.dart';
+
+void main() async {
+  deviceOperatingSystem = DeviceOperatingSystem.android;
+  await task(createAndroidSemanticsIntegrationTest());
+}

diff --git a/dev/devicelab/lib/tasks/integration_tests.dart b/dev/devicelab/lib/tasks/integration_tests.dart
index bb5a41c..ea991bd 100644
--- a/dev/devicelab/lib/tasks/integration_tests.dart
+++ b/dev/devicelab/lib/tasks/integration_tests.dart

@@ -52,6 +52,13 @@
   );
 }
 
+TaskFunction createAndroidSemanticsIntegrationTest() {
+  return new DriverTest(
+    '${flutterDirectory.path}/dev/integration_tests/android_semantics_testing',
+    'lib/main.dart',
+  );
+}
+
 class DriverTest {
 
   DriverTest(

diff --git a/dev/devicelab/manifest.yaml b/dev/devicelab/manifest.yaml
index 2bae9d7..8ffc13f 100644
--- a/dev/devicelab/manifest.yaml
+++ b/dev/devicelab/manifest.yaml

@@ -136,6 +136,13 @@
     stage: devicelab
     required_agent_capabilities: ["mac/android"]
 
+  android_semantics_integration_test:
+    description: >
+      Tests that the Android accessibility bridge produces correct semantics.
+    stage: devicelab
+    required_agent_capabilities: ["mac/android"]
+    flaky: true
+
   run_release_test:
     description: >
       Checks that `flutter run --release` does not crash.