Add test jar generation logic for ant builds.

build/android/adb_install_content_shell

 #!/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.
 
 from multiprocessing import Process
 import optparse
 import os
 import sys
 
 from pylib import android_commands
 from pylib import test_options_parser
+from pylib import constants
 
 
 def InstallContentShell(device, build_type):
   apk_path = os.path.join(os.environ['CHROME_SRC'],
                           'out', build_type,
-                          'content_shell', 'ContentShell-debug.apk')
+                          constants.SDK_BUILD_APKS_DIR, 'ContentShell-debug.apk')
   result = android_commands.AndroidCommands(device=device).ManagedInstall(
       apk_path, False, 'org.chromium.content_shell')
   print '-----  Installed on %s  -----' % device
   print result
 
 
 parser = optparse.OptionParser()
 test_options_parser.AddBuildTypeOption(parser)
 options, args = parser.parse_args(sys.argv)
 
 devices = android_commands.GetAttachedDevices()
 if not devices:
   raise Exception('Error: no connected devices')
 
 procs = []
 for device in devices:
   p = Process(target=InstallContentShell, args=(device, options.build_type))
   p.start()
   procs += [p]
 
 for p in procs:
   p.join()