libyuv: Add Android Testers

scripts/slave/recipe_modules/webrtc/api.py

 # Copyright 2013 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.
 
 from recipe_engine.types import freeze
 from recipe_engine import recipe_api
 from . import builders
 from . import steps
 
 
@@ skipping 259 matching lines @@
         extra_url_components=self.mastername)
     self.m.archive.zip_and_upload_build(
         'package build',
         self.m.chromium.c.build_config_fs,
         upload_url,
         build_revision=self.revision)
 
   def extract_build(self):
     if not self.m.properties.get('parent_got_revision'):
       raise self.m.step.StepFailure(
-         'Testers cannot be forced without providing revision information.'
-         'Please select a previous build and click [Rebuild] or force a build'
+         'Testers cannot be forced without providing revision information. '
+         'Please select a previous build and click [Rebuild] or force a build '
          'for a Builder instead (will trigger new runs for the testers).')
 
-    # Ensure old build directory is not used is by removing it.
+    # Ensure old build directory isn't being used by removing it.
     self.m.file.rmtree(
         'build directory',
         self.m.chromium.c.build_dir.join(self.m.chromium.c.build_config_fs))
 
     download_url = self.m.archive.legacy_download_url(
        self.master_config.get('build_gs_bucket'),
        extra_url_components=self.mastername)
     self.m.archive.download_and_unzip_build(
         'extract build',
         self.m.chromium.c.build_config_fs,
@@ skipping 12 matching lines @@
   def clean_test_output(self):
     """Remove all test output in out/, since we have tests leaking files."""
     out_dir = self.m.path['checkout'].join('out')
     self.m.python('clean test output files',
                   script=self.resource('cleanup_files.py'),
                   args=[out_dir],
                   infra_step=True)
 
   def virtual_webcam_check(self):
     self.m.python('webcam_check', self.resource('ensure_webcam_is_running.py'))