[Android] Add a configurable environment for devil/. (RELAND 2)

build/android/gyp/get_device_configuration.py

 #!/usr/bin/env python
 #
 # Copyright 2013 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.
 
 """Gets and writes the configurations of the attached devices.
 
 This configuration is used by later build steps to determine which devices to
 install to and what needs to be installed to those devices.
 """
 
 import optparse
+import os
 import sys
 
+from util import build_device
 from util import build_utils
-from util import build_device
+
+BUILD_ANDROID_DIR = os.path.abspath(
+    os.path.join(os.path.dirname(__file__), '..'))
+sys.path.append(BUILD_ANDROID_DIR)
+
+import devil_chromium
 
 
 def main(argv):
   parser = optparse.OptionParser()
   parser.add_option('--stamp', action='store')
   parser.add_option('--output', action='store')
+  parser.add_option('--output-directory', action='store')
   options, _ = parser.parse_args(argv)
 
+  devil_chromium.Initialize(
+      output_directory=os.path.abspath(options.output_directory))
+
   devices = build_device.GetAttachedDevices()
 
   device_configurations = []
   for d in devices:
     configuration, is_online, has_root = (
         build_device.GetConfigurationForDevice(d))
 
     if not is_online:
       build_utils.PrintBigWarning(
           '%s is not online. Skipping managed install for this device. '
@@ skipping 22 matching lines @@
         'Multiple devices attached. '
         'Installing to the preferred device: '
         '%(id)s (%(description)s)' % (device_configurations[0]))
 
 
   build_device.WriteConfigurations(device_configurations, options.output)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))