[Android] Add a java version of the test server spawner.

build/android/pylib/device/device_utils.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.
 
 """Provides a variety of device interactions based on adb.
 
 Eventually, this will be based on adb_wrapper.
 """
 # pylint: disable=W0613
 
@@ skipping 569 matching lines @@
                            extras=None, timeout=None, retries=None):
     if extras is None:
       extras = {}
 
     cmd = ['am', 'instrument']
     if finish:
       cmd.append('-w')
     if raw:
       cmd.append('-r')
     for k, v in extras.iteritems():
-      cmd.extend(['-e', k, v])
+      cmd.extend(['-e', str(k), str(v)])
     cmd.append(component)
     return self.RunShellCommand(cmd, check_return=True)
 
   @decorators.WithTimeoutAndRetriesFromInstance()
   def BroadcastIntent(self, intent_obj, timeout=None, retries=None):
     """Send a broadcast intent.
 
     Args:
       intent: An Intent to broadcast.
       timeout: timeout in seconds
@@ skipping 708 matching lines @@
     Returns:
       A Parallelizer operating over |devices|.
     """
     if not devices:
       devices = adb_wrapper.AdbWrapper.GetDevices()
     devices = [d if isinstance(d, cls) else cls(d) for d in devices]
     if async:
       return parallelizer.Parallelizer(devices)
     else:
       return parallelizer.SyncParallelizer(devices)