Make android_apk template actually create an apk

build/android/gyp/package_resources.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.
 
 # pylint: disable=C0301
 """Package resources into an apk.
 
 See https://android.googlesource.com/platform/tools/base/+/master/legacy/ant-tasks/src/main/java/com/android/ant/AaptExecTask.java
 and
 https://android.googlesource.com/platform/sdk/+/master/files/ant/build.xml
 """
 # pylint: enable=C0301
 
 import optparse
 import os
 import shutil
 
 from util import build_utils
 
 def ParseArgs():
   """Parses command line options.
 
   Returns:
     An options object as from optparse.OptionsParser.parse_args()
   """
   parser = optparse.OptionParser()
+  build_utils.AddDepfileOption(parser)
   parser.add_option('--android-sdk', help='path to the Android SDK folder')
   parser.add_option('--android-sdk-tools',
                     help='path to the Android SDK build tools folder')
 
   parser.add_option('--configuration-name',
                     help='Gyp\'s configuration name (Debug or Release).')
 
   parser.add_option('--android-manifest', help='AndroidManifest.xml path')
   parser.add_option('--version-code', help='Version code for apk.')
   parser.add_option('--version-name', help='Version name for apk.')
@@ skipping 82 matching lines @@
       build_utils.ExtractAll(z, path=subdir)
       MoveImagesToNonMdpiFolders(subdir)
       package_command += ['-S', subdir]
 
     if 'Debug' in options.configuration_name:
       package_command += ['--debug-mode']
 
     build_utils.CheckOutput(
         package_command, print_stdout=False, print_stderr=False)
 
+    if options.depfile:
+      build_utils.WriteDepfile(
+          options.depfile,
+          build_utils.GetPythonDependencies())
+
 
 if __name__ == '__main__':
   main()