[Android] Lint the rest of pylib.

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
 
-import content_settings
+from pylib import content_settings
 
 
 def ConfigureContentSettingsDict(adb, desired_settings):
   """Configures device content setings from a dictionary.
 
   Many settings are documented at:
     http://developer.android.com/reference/android/provider/Settings.Global.html
     http://developer.android.com/reference/android/provider/Settings.Secure.html
     http://developer.android.com/reference/android/provider/Settings.System.html
 
@@ skipping 67 matching lines @@
     'user_rotation': 0,
   },
 }
 
 
 NETWORK_DISABLED_SETTINGS = {
   'settings/global': {
     'airplane_mode_on': 1,
   },
 }