Fix directory layout for tools/memory_inspector tests.

tools/memory_inspector/tests/mock_adb/adb

-#!/usr/bin/python
-# 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.
-
-"""Client side of the mock adb (i.e. the one called instead of the actual adb).
-
-This file is meant to be put in front of the PATH during integration tests, in
-order to route all the adb calls here and serve them using a pre-configured
-dictionary (epxected commands -> planned responses).
-mock_adb.py is the counterpart of this file, and is meant to be used in the
-unittests for configuring the behavior (i.e. the dictionary) of this script.
-"""
-
-import json
-import optparse
-import os
-import sys
-
-
-def main(argv):
-  # Load the dictionary of expected_cmd -> planned_response from the json file
-  # which mock_adb.py creates.
-  with open(os.environ['MOCK_ADB_CFG']) as f:
-    responses = json.load(f)
-
-  # Swallow the irrelevant adb extra arguments (e.g., device id).
-  parser = optparse.OptionParser()
-  parser.add_option('-s')
-  options, args = parser.parse_args(argv[1:])
-  adb_args = ' '.join(args)
-
-  response = ''
-  for (cmd, planned_response) in responses.iteritems():
-    if adb_args.startswith(cmd):
-      response = planned_response
-  print response
-
-if __name__ == '__main__':
-  main(sys.argv)