Reland "Copy Widevine files for swarming tests"

BUG=474674

Review URL: https://codereview.chromium.org/1072583002

Cr-Original-Commit-Position: refs/heads/master@{#324279}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: d08e13978878f511b07b8c3aaf61a49054371c84

android/pylib/utils/isolator.py

@@ -28,8 +28,10 @@ def DefaultConfigVariables():
     'CONFIGURATION_NAME': constants.GetBuildType(),
     'OS': 'android',
     'asan': '0',
+    'branding': 'Chromium',
     'chromeos': '0',
     'component': 'static_library',
+    'enable_pepper_cdms': '0',
     'enable_plugins': '0',
     'fastbuild': '0',
     'icu_use_data_file_flag': '1',

isolate.gypi

@@ -77,9 +77,11 @@
         '--config-variable', 'CONFIGURATION_NAME=<(CONFIGURATION_NAME)',
         '--config-variable', 'OS=<(OS)',
         '--config-variable', 'asan=<(asan)',
+        '--config-variable', 'branding=<(branding)',
         '--config-variable', 'chromeos=<(chromeos)',
         '--config-variable', 'component=<(component)',
         '--config-variable', 'disable_nacl=<(disable_nacl)',
+        '--config-variable', 'enable_pepper_cdms=<(enable_pepper_cdms)',
         '--config-variable', 'enable_plugins=<(enable_plugins)',
         '--config-variable', 'fastbuild=<(fastbuild)',
         '--config-variable', 'icu_use_data_file_flag=<(icu_use_data_file_flag)',