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

build/android/findbugs_diff.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.
 
 """Runs findbugs, and returns an error code if there are new warnings.
 
 Other options
   --only-analyze used to only analyze the class you are interested.
@@ skipping 11 matching lines @@
 
 from devil.utils import run_tests_helper
 from pylib import constants
 from pylib.utils import findbugs
 
 _DEFAULT_BASE_DIR = os.path.join(
     constants.DIR_SOURCE_ROOT, 'build', 'android', 'findbugs_filter')
 
 sys.path.append(
     os.path.join(constants.DIR_SOURCE_ROOT, 'build', 'android', 'gyp'))
-from util import build_utils
+from util import build_utils # pylint: disable=import-error
 
 
 def main():
   parser = argparse.ArgumentParser()
 
   parser.add_argument(
       '-v', '--verbose', action='count', help='Enable verbose logging.')
   parser.add_argument(
       '-a', '--auxclasspath', default=None, dest='auxclasspath',
       help='Set aux classpath for analysis.')
@@ skipping 64 matching lines @@
               + args.jar_paths)
     if args.stamp:
       build_utils.Touch(args.stamp)
 
   return len(findbugs_warnings)
 
 
 if __name__ == '__main__':
   sys.exit(main())