Fix android depfiles to always list GN's outputs[0]

build/android/gyp/write_build_config.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.
 
 """Writes a build_config file.
 
 The build_config file for a target is a json file containing information about
 how to build that target based on the target's dependencies. This includes
@@ skipping 319 matching lines @@
 
     if options.requires_android and not options.supports_android:
       raise Exception(
           '--supports-android is required when using --requires-android')
 
   direct_deps_config_paths = build_utils.ParseGnList(options.deps_configs)
   direct_deps_config_paths = _FilterDepsPaths(direct_deps_config_paths,
                                               options.type)
 
   deps = Deps(direct_deps_config_paths)
-  all_inputs = deps.AllConfigPaths() + build_utils.GetPythonDependencies()
+  all_inputs = deps.AllConfigPaths()
 
   # Remove other locale resources if there is alternative_locale_resource in
   # direct deps.
   if options.has_alternative_locale_resource:
     alternative = [r['path'] for r in deps.Direct('android_resources')
                    if r.get('is_locale_resource')]
     # We can only have one locale resources in direct deps.
     if len(alternative) != 1:
       raise Exception('The number of locale resource in direct deps is wrong %d'
                        % len(alternative))
@@ skipping 304 matching lines @@
       'secondary_abi_libraries': secondary_abi_library_paths,
       'java_libraries_list': java_libraries_list,
       'secondary_abi_java_libraries_list': secondary_abi_java_libraries_list,
     }
     config['assets'], config['uncompressed_assets'] = (
         _MergeAssets(deps.All('android_assets')))
 
   build_utils.WriteJson(config, options.build_config, only_if_changed=True)
 
   if options.depfile:
-    build_utils.WriteDepfile(options.depfile, all_inputs)
+    build_utils.WriteDepfile(options.depfile, options.build_config, all_inputs)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))