Run the embedded Android views integration test on the device lab. (#20841)

dev/devicelab/bin/tasks/embedded_android_views_integration_test.dart

+// 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 'dart:async';
+
+import 'package:flutter_devicelab/framework/adb.dart';
+import 'package:flutter_devicelab/framework/framework.dart';
+import 'package:flutter_devicelab/tasks/integration_tests.dart';
+
+Future<Null> main() async {
+  deviceOperatingSystem = DeviceOperatingSystem.android;
+  await task(createEmbeddedAndroidViewsIntegrationTest());
+}

dev/devicelab/lib/tasks/integration_tests.dart

@@ -45,6 +45,13 @@ TaskFunction createPlatformChannelSampleTest() {
   );
 }
 
+TaskFunction createEmbeddedAndroidViewsIntegrationTest() {
+  return new DriverTest(
+    '${flutterDirectory.path}/dev/integration_tests/android_views',
+    'lib/main.dart',
+  );
+}
+
 class DriverTest {
 
   DriverTest(

dev/devicelab/manifest.yaml

@@ -130,6 +130,13 @@ tasks:
     stage: devicelab
     required_agent_capabilities: ["mac/android"]
 
+  embedded_android_views_integration_test:
+    description: >
+      Tests embedded Android views.
+    stage: devicelab
+    required_agent_capabilities: ["mac/android"]
+    flaky: true
+
   run_release_test:
     description: >
       Checks that `flutter run --release` does not crash.