Enable presubmit pylint in build/android.

build/android/gyp/process_resources.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2012 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.
 
 """Process Android library resources to generate R.java and crunched images."""
 
 import optparse
 import os
 import shlex
 import shutil
 
-from util import build_utils
+from util import build_utils # pylint: disable=F0401
 
 def ParseArgs():
   """Parses command line options.
 
   Returns:
     An options object as from optparse.OptionsParser.parse_args()
   """
   parser = optparse.OptionParser()
   parser.add_option('--android-sdk', help='path to the Android SDK folder')
   parser.add_option('--android-sdk-tools',
@@ skipping 91 matching lines @@
   build_utils.CheckOutput(aapt_cmd, fail_if_stderr=True)
 
   MoveImagesToNonMdpiFolders(options.crunch_output_dir)
 
   if options.stamp:
     build_utils.Touch(options.stamp)
 
 
 if __name__ == '__main__':
   main()