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

build/android/pylib/linker/test_case.py

 # 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.
 
 """Base class for linker-specific test cases.
 
    The custom dynamic linker can only be tested through a custom test case
    for various technical reasons:
 
      - It's an 'invisible feature', i.e. it doesn't expose a new API or
@@ skipping 18 matching lines @@
 
    To build and run the linker tests, do the following:
 
      ninja -C out/Debug chromium_linker_test_apk
      build/android/test_runner.py linker
 
 """
 # pylint: disable=R0201
 
 import logging
-import os
 import re
-import time
 
 from devil.android import device_errors
 from devil.android.sdk import intent
-from pylib import constants
 from pylib.base import base_test_result
 
 
 ResultType = base_test_result.ResultType
 
 _PACKAGE_NAME = 'org.chromium.chromium_linker_test_apk'
 _ACTIVITY_NAME = '.ChromiumLinkerTestActivity'
 _COMMAND_LINE_FILE = '/data/local/tmp/chromium-linker-test-command-line'
 
 # Logcat filters used during each test. Only the 'chromium' one is really
@@ skipping 165 matching lines @@
 
         Note that there can be other lines beginning with BROWSER_LINKER_TEST:
         and RENDERER_LINKER_TEST:, but are not followed by a <status> code.
 
       - The test case passes if the <status> for both the browser and renderer
         process are SUCCESS. Otherwise its a fail.
   """
   def _RunTest(self, device):
     # Wait up to 30 seconds until the linker test status is in the logcat.
     return _StartActivityAndWaitForLinkerTestStatus(device, timeout=30)