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

build/android/pylib/device_settings.py

 # Copyright 2014 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 logging
 
-from devil.android import device_errors
-from pylib import constants
 from pylib import content_settings
 
 _LOCK_SCREEN_SETTINGS_PATH = '/data/system/locksettings.db'
 _ALTERNATE_LOCK_SCREEN_SETTINGS_PATH = (
     '/data/data/com.android.providers.settings/databases/settings.db')
 PASSWORD_QUALITY_UNSPECIFIED = '0'
 
 
 def ConfigureContentSettings(device, desired_settings):
   """Configures device content setings from a list.
@@ skipping 170 matching lines @@
     ('user_rotation', 0),
   ]),
 ]
 
 NETWORK_DISABLED_SETTINGS = [
   ('settings/global', [
     ('airplane_mode_on', 1),
     ('wifi_on', 0),
   ]),
 ]