Revert of Update android device provisioning script to set some reliability settings.

build/android/pylib/content_settings.py

-# Copyright (c) 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.
-
-
-class ContentSettings(dict):
-
-  """A dict interface to interact with device content settings.
-
-  System properties are key/value pairs as exposed by adb shell content.
-  """
-
-  def __init__(self, table, adb):
-    super(ContentSettings, self).__init__()
-    self._table = table
-    self._adb = adb
-
-  def _GetTypeBinding(self, value):
-    if isinstance(value, bool):
-      return 'b'
-    if isinstance(value, float):
-      return 'f'
-    if isinstance(value, int):
-      return 'i'
-    if isinstance(value, long):
-      return 'l'
-    if isinstance(value, str):
-      return 's'
-    raise ValueError('Unsupported type %s' % type(value))
-
-  def iteritems(self):
-    # Example row:
-    # 'Row: 0 _id=13, name=logging_id2, value=-1fccbaa546705b05'
-    for row in self._adb.RunShellCommandWithSU(
-        'content query --uri content://%s' % self._table):
-      fields = row.split(', ')
-      key = None
-      value = None
-      for field in fields:
-        k, _, v = field.partition('=')
-        if k == 'name':
-          key = v
-        elif k == 'value':
-          value = v
-      assert key, value
-      yield key, value
-
-  def __getitem__(self, key):
-    return self._adb.RunShellCommandWithSU(
-        'content query --uri content://%s --where "name=\'%s\'" '
-        '--projection value' % (self._table, key)).strip()
-
-  def __setitem__(self, key, value):
-    if key in self:
-      self._adb.RunShellCommandWithSU(
-          'content update --uri content://%s '
-          '--bind value:%s:%s --where "name=\'%s\'"' % (
-              self._table,
-              self._GetTypeBinding(value), value, key))
-    else:
-      self._adb.RunShellCommandWithSU(
-          'content insert --uri content://%s '
-          '--bind name:%s:%s --bind value:%s:%s' % (
-              self._table,
-              self._GetTypeBinding(key), key,
-              self._GetTypeBinding(value), value))
-
-  def __delitem__(self, key):
-    self._adb.RunShellCommandWithSU(
-        'content delete --uri content://%s '
-        '--bind name:%s:%s' % (
-            self._table,
-            self._GetTypeBinding(key), key))