Reorganize Android's test scripts into packages.

build/android/run_monkey_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Runs the Monkey tests on one or more devices."""
 import logging
 import optparse
 import random
 import sys
 import time
 
 from pylib import android_commands
-from pylib import python_test_base
-from pylib import python_test_sharder
 from pylib import test_options_parser
 from pylib import test_result
+from pylib.host_driven import python_test_base
+from pylib.host_driven import python_test_sharder
 
 
 class MonkeyTest(python_test_base.PythonTestBase):
   def testMonkey(self):
     start_ms = int(time.time()) * 1000
 
     # Launch and wait for Chrome to launch.
     self.adb.StartActivity(self.options.package_name,
                            self.options.activity_name,
                            wait_for_completion=True,
@@ skipping 121 matching lines @@
     parser.error('Missing package name')
 
   if options.category:
     options.category = options.category.split(',')
 
   DispatchPythonTests(options)
 
 
 if __name__ == '__main__':
   main()