Move android.py to devtools.

mojo/tools/android_mojo_shell.py

 #!/usr/bin/env 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.
 
 import argparse
 import logging
 import sys
 
-from mopy.android import AndroidShell
+import devtools
+devtools.add_pylib_to_path()
+from pylib.android import AndroidShell
+
 from mopy.config import Config
 from mopy.paths import Paths
 
 USAGE = ("android_mojo_shell.py "
          "[--args-for=<mojo-app>] "
          "[--content-handlers=<handlers>] "
          "[--enable-external-applications] "
          "[--disable-cache] "
          "[--enable-multiprocess] "
          "[--url-mappings=from1=to1,from2=to2] "
@@ skipping 34 matching lines @@
   args.extend(extra_shell_args)
 
   shell.CleanLogs()
   p = shell.ShowLogs()
   shell.StartShell(args, sys.stdout, p.terminate)
   return 0
 
 
 if __name__ == "__main__":
   sys.exit(main())