Fix directory layout for tools/memory_inspector tests.

tools/memory_inspector/tests/mock_adb/mock_adb.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 json
-import os
-import tempfile
-
-
-class MockAdb(object):
-  """Simple and effective mock for Android adb.
-
-  This module is meant to be used in integration tests in conjunction with the
-  other script named 'adb' living in the same directory.
-  The purpose of this class is preparing a dictionary of mocked responses to adb
-  commands. The dictionary is stored into a json file and read by the mock 'adb'
-  script. The path of the json dict is held in the MOCK_ADB_CFG env var.
-  """
-
-  def __init__(self):
-    self._responses = {}  # Maps expected_cmd (str) -> prepared_response (str).
-    self._cfg_file = None
-
-  def Start(self):
-    (fd_num, self._cfg_file) = tempfile.mkstemp()
-    with os.fdopen(fd_num, 'w') as f:
-      json.dump(self._responses, f)
-      f.close()
-    os.environ['MOCK_ADB_CFG'] = self._cfg_file
-
-  def Stop(self):
-    assert(self._cfg_file), 'Stop called before Start.'
-    os.unlink(self._cfg_file)
-
-  def PrepareResponse(self, cmd, response):
-    self._responses[cmd] = response