Enable downloading Google Play services via deps hook

DEPS

 # This file is used to manage the dependencies of the Chromium src repo. It is
 # used by gclient to determine what version of each dependency to check out, and
 # where.
 #
 # For more information, please refer to the official documentation:
 #   https://sites.google.com/a/chromium.org/dev/developers/how-tos/get-the-code
 #
 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 #
@@ skipping 522 matching lines @@
     'pattern': '.',
     'action': [
         'python',
         'src/build/download_nacl_toolchains.py',
         '--mode', 'nacl_core_sdk',
         'sync', '--extract',
     ],
   },
   {
     # This downloads SDK extras and puts them in the
-    # third_party/android_tools/sdk/extras directory on the bots. Developers
-    # need to manually install these packages and accept the ToS.
+    # third_party/android_tools/sdk/extras directory.
     'name': 'sdkextras',
     'pattern': '.',
     # When adding a new sdk extras package to download, add the package
     # directory and zip file to .gitignore in third_party/android_tools.
-    'action': ['python', 'src/build/download_sdk_extras.py'],
+    'action': ['python',
+               'src/build/android/play_services/update.py',
+               'download'
+    ],
   },
   {
     # Downloads the current stable linux sysroot to build/linux/ if needed.
     # This sysroot updates at about the same rate that the chrome build deps
     # change. This script is a no-op except for linux users who are doing
     # official chrome builds or cross compiling.
     'name': 'sysroot',
     'pattern': '.',
     'action': ['python', 'src/build/linux/sysroot_scripts/install-sysroot.py',
                '--running-as-hook'],
@@ skipping 247 matching lines @@
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     'name': 'gyp',
     'pattern': '.',
     'action': ['python', 'src/build/gyp_chromium'],
   },
 ]