[Android] Add a custom pylintrc for build/android/.

build/android/test_runner.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.
 
 """Runs all types of tests from one unified interface."""
 
 import argparse
 import collections
 import logging
 import os
-import shutil
 import signal
 import sys
 import threading
 import unittest
 
 from devil import base_error
 from devil.android import apk_helper
 from devil.android import device_blacklist
 from devil.android import device_errors
 from devil.android import device_utils
@@ skipping 681 matching lines @@
       test_package='ChromiumLinkerTest')
 
   if args.json_results_file:
     json_results.GenerateJsonResultsFile(results, args.json_results_file)
 
   return exit_code
 
 
 def _RunInstrumentationTests(args, devices):
   """Subcommand of RunTestsCommands which runs instrumentation tests."""
-  logging.info('_RunInstrumentationTests(%s, %s)' % (str(args), str(devices)))
+  logging.info('_RunInstrumentationTests(%s, %s)', str(args), str(devices))
 
   instrumentation_options = ProcessInstrumentationOptions(args)
 
   if len(devices) > 1 and args.wait_for_debugger:
     logging.warning('Debugger can not be sharded, using first available device')
     devices = devices[:1]
 
   results = base_test_result.TestRunResults()
   exit_code = 0
 
@@ skipping 184 matching lines @@
           'Did not find device %s among attached device. Attached devices: %s'
           % (test_device, ', '.join(attached_devices)))
     return test_device
 
   else:
     if not attached_devices:
       raise device_errors.NoDevicesError()
     return sorted(attached_devices)
 
 
-def RunTestsCommand(args, parser):
+def RunTestsCommand(args, parser): # pylint: disable=too-many-return-statements
   """Checks test type and dispatches to the appropriate function.
 
   Args:
     args: argparse.Namespace object.
     parser: argparse.ArgumentParser object.
 
   Returns:
     Integer indicated exit code.
 
   Raises:
@@ skipping 135 matching lines @@
     if e.is_infra_error:
       return constants.INFRA_EXIT_CODE
     return constants.ERROR_EXIT_CODE
   except: # pylint: disable=W0702
     logging.exception('Unrecognized error occurred.')
     return constants.ERROR_EXIT_CODE
 
 
 if __name__ == '__main__':
   sys.exit(main())