Enable presubmit pylint in build/android.

build/android/gyp/create_device_library_links.py

 #!/usr/bin/env python
 #
 # 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.
 
 """Creates symlinks to native libraries for an APK.
 
 The native libraries should have previously been pushed to the device (in
 options.target_dir). This script then creates links in an apk's lib/ folder to
 those native libraries.
 """
 
-import json
 import optparse
 import os
 import sys
 
 from util import build_device
 from util import build_utils
-from util import md5_check
 
 BUILD_ANDROID_DIR = os.path.join(os.path.dirname(__file__), '..')
 sys.path.append(BUILD_ANDROID_DIR)
 
 from pylib import constants
 from pylib.utils import apk_helper
 
 def RunShellCommand(device, cmd):
   output = device.RunShellCommand(cmd)
 
@@ skipping 41 matching lines @@
       'STRIPPED_LIBRARIES_DIR=%(target_dir)s; '
       '. %(script_device_path)s'
       ) % {
           'apk_libraries_dir': apk_libraries_dir,
           'target_dir': options.target_dir,
           'script_device_path': options.script_device_path
           }
   RunShellCommand(device, trigger_cmd)
 
 
-def main(argv):
+def main():
   parser = optparse.OptionParser()
   parser.add_option('--apk', help='Path to the apk.')
   parser.add_option('--script-host-path',
       help='Path on the host for the symlink script.')
   parser.add_option('--script-device-path',
       help='Path on the device to push the created symlink script.')
   parser.add_option('--libraries-json',
       help='Path to the json list of native libraries.')
   parser.add_option('--target-dir',
       help='Device directory that contains the target libraries for symlinks.')
@@ skipping 10 matching lines @@
   constants.SetBuildType(options.configuration_name)
 
   CreateSymlinkScript(options)
   TriggerSymlinkScript(options)
 
   if options.stamp:
     build_utils.Touch(options.stamp)
 
 
 if __name__ == '__main__':
-  sys.exit(main(sys.argv))
+  sys.exit(main())