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

build/android/method_count.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.
 
 import argparse
 import os
 import re
 import sys
 
 from devil.android.sdk import dexdump
 from pylib import constants
 
 sys.path.append(os.path.join(constants.DIR_SOURCE_ROOT, 'build', 'util', 'lib',
                              'common'))
-import perf_tests_results_helper
+import perf_tests_results_helper # pylint: disable=import-error
 
 
 _METHOD_IDS_SIZE_RE = re.compile(r'^method_ids_size +: +(\d+)$')
 
 def MethodCount(dexfile):
   for line in dexdump.DexDump(dexfile, file_summary=True):
     m = _METHOD_IDS_SIZE_RE.match(line)
     if m:
       return m.group(1)
   raise Exception('"method_ids_size" not found in dex dump of %s' % dexfile)
@@ skipping 19 matching lines @@
           'and --apk-name was not provided.' % args.dexfile)
 
   method_count = MethodCount(args.dexfile)
   perf_tests_results_helper.PrintPerfResult(
       '%s_methods' % args.apk_name, 'total', [method_count], 'methods')
   return 0
 
 if __name__ == '__main__':
   sys.exit(main())