[packages_autoroller] Migrate to `dart build cli` (#181273)

Bug:

* https://github.com/flutter/flutter/issues/181265

Tested locally `$ ./dev/packages_autoroller/run --token token.txt` and
commenting out all the GitHub stuff:

```
[...]
Executing [/Users/dacoharkes/src/flutter/package_autoroller_checkouts/framework/bin/dart, build, cli, --target, /Users/dacoharkes/src/flutter/package_autoroller_checkouts/framework/dev/tools/bin/generate_gradle_lockfiles.dart, -o, /var/folders/jc/4znngjfn6f7cxghhg0027rnh00klzg/T/zDK1S4]...
The `dart build cli` command is in preview at the moment.
See documentation on https://dart.dev/interop/c-interop#native-assets.

Deleting output directory: /var/folders/jc/4znngjfn6f7cxghhg0027rnh00klzg/T/zDK1S4/.
Generated: /var/folders/jc/4znngjfn6f7cxghhg0027rnh00klzg/T/zDK1S4/bundle/bin/generate_gradle_lockfiles
Executing [/Users/dacoharkes/src/flutter/package_autoroller_checkouts/framework/bin/flutter, --verbose, update-packages, --force-upgrade]...
[  +19 ms] executing: sysctl hw.optional.arm64
[...]
```

dev/packages_autoroller/lib/src/packages_autoroller.dart

diff --git a/dev/packages_autoroller/lib/src/packages_autoroller.dart b/dev/packages_autoroller/lib/src/packages_autoroller.dart
index cf3aaa4..563a6cb 100644
--- a/dev/packages_autoroller/lib/src/packages_autoroller.dart
+++ b/dev/packages_autoroller/lib/src/packages_autoroller.dart
@@ -151,13 +151,21 @@
     Directory tempDir,
   ) async {
     final entrypoint = '${repoRoot.path}/dev/tools/bin/generate_gradle_lockfiles.dart';
-    final File target = tempDir.childFile('generate_gradle_lockfiles');
+
     await framework.streamFlutter(<String>[
       'pub',
       'get',
     ], workingDirectory: '${repoRoot.path}/dev/tools');
-    await framework.streamDart(<String>['compile', 'exe', entrypoint, '-o', target.path]);
+    await framework.streamDart(<String>[
+      'build',
+      'cli',
+      '--target',
+      entrypoint,
+      '-o',
+      tempDir.path,
+    ]);
 
+    final File target = tempDir.childFile('bundle/bin/generate_gradle_lockfiles');
     assert(
       target.existsSync(),
       'expected ${target.path} to exist after compilation, but it did not.',

dev/packages_autoroller/test/packages_autoroller_test.dart

diff --git a/dev/packages_autoroller/test/packages_autoroller_test.dart b/dev/packages_autoroller/test/packages_autoroller_test.dart
index 19d6608..12ef893 100644
--- a/dev/packages_autoroller/test/packages_autoroller_test.dart
+++ b/dev/packages_autoroller/test/packages_autoroller_test.dart
@@ -262,16 +262,19 @@
       FakeCommand(
         command: const <String>[
           '$checkoutsParentDirectory/package_autoroller_checkouts/framework/bin/dart',
-          'compile',
-          'exe',
+          'build',
+          'cli',
+          '--target',
           '$checkoutsParentDirectory/package_autoroller_checkouts/framework/dev/tools/bin/generate_gradle_lockfiles.dart',
           '-o',
-          '/.tmp_rand0/rand0/generate_gradle_lockfiles',
+          '/.tmp_rand0/rand0',
         ],
-        onRun: (_) => fileSystem.file('/.tmp_rand0/rand0/generate_gradle_lockfiles').createSync(),
+        onRun: (_) => fileSystem
+            .file('/.tmp_rand0/rand0/bundle/bin/generate_gradle_lockfiles')
+            .createSync(recursive: true),
       ),
       const FakeCommand(
-        command: <String>['chmod', '+x', '/.tmp_rand0/rand0/generate_gradle_lockfiles'],
+        command: <String>['chmod', '+x', '/.tmp_rand0/rand0/bundle/bin/generate_gradle_lockfiles'],
       ),
       const FakeCommand(command: <String>['git', 'ls-remote', '--heads', 'mirror']),
       const FakeCommand(command: <String>['git', 'checkout', '-b', 'packages-autoroller-branch-1']),
@@ -354,16 +357,19 @@
       FakeCommand(
         command: const <String>[
           '$checkoutsParentDirectory/package_autoroller_checkouts/framework/bin/dart',
-          'compile',
-          'exe',
+          'build',
+          'cli',
+          '--target',
           '$checkoutsParentDirectory/package_autoroller_checkouts/framework/dev/tools/bin/generate_gradle_lockfiles.dart',
           '-o',
-          '/.tmp_rand0/rand0/generate_gradle_lockfiles',
+          '/.tmp_rand0/rand0',
         ],
-        onRun: (_) => fileSystem.file('/.tmp_rand0/rand0/generate_gradle_lockfiles').createSync(),
+        onRun: (_) => fileSystem
+            .file('/.tmp_rand0/rand0/bundle/bin/generate_gradle_lockfiles')
+            .createSync(recursive: true),
       ),
       const FakeCommand(
-        command: <String>['chmod', '+x', '/.tmp_rand0/rand0/generate_gradle_lockfiles'],
+        command: <String>['chmod', '+x', '/.tmp_rand0/rand0/bundle/bin/generate_gradle_lockfiles'],
       ),
       const FakeCommand(command: <String>['git', 'ls-remote', '--heads', 'mirror']),
       const FakeCommand(command: <String>['git', 'checkout', '-b', 'packages-autoroller-branch-1']),
@@ -404,7 +410,7 @@
       const FakeCommand(command: <String>['git', 'rev-parse', 'HEAD'], stdout: '000deadbeef'),
       const FakeCommand(
         command: <String>[
-          '/.tmp_rand0/rand0/generate_gradle_lockfiles',
+          '/.tmp_rand0/rand0/bundle/bin/generate_gradle_lockfiles',
           '--no-gradle-generation',
           '--no-exclusion',
         ],