[Android][telemetry] Update pylib imports for modules that moved into devil.

build/android/preprocess_google_play_services.py

 #!/usr/bin/env python
 #
 # Copyright 2015 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.
 
 '''Prepares the Google Play services split client libraries before usage by
 Chrome's build system.
 
 We need to preprocess Google Play services before using it in Chrome
@@ skipping 55 matching lines @@
 import glob
 import itertools
 import json
 import os
 import re
 import shutil
 import stat
 import sys
 
 from datetime import datetime
-from pylib import cmd_helper
+from devil.utils import cmd_helper
 from pylib import constants
 
 sys.path.append(
     os.path.join(constants.DIR_SOURCE_ROOT, 'build', 'android', 'gyp'))
 from util import build_utils
 
 
 M2_PKG_PATH = os.path.join('com', 'google', 'android', 'gms')
 OUTPUT_FORMAT_VERSION = 1
 VERSION_FILE_NAME = 'version_info.json'
@@ skipping 203 matching lines @@
   with open(os.path.join(stub_res_location, '.res-stamp'), 'w') as stamp:
     content_str = 'google_play_services_version: %s\nutc_date: %s\n'
     stamp.write(content_str % (play_services_full_version, generation_date))
 
   shutil.copyfile(tmp_version_file_path,
                   os.path.join(out_paths['root'], VERSION_FILE_NAME))
 
 
 if __name__ == '__main__':
   sys.exit(main())