Add support for Android aidl and support for gyp's java_in_dir

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 93 matching lines @@
   build_utils.CheckOptions(options, parser, required_options)
 
   possible_deps_config_paths = build_utils.ParseGypList(
       options.possible_deps_configs)
 
 
   allow_unknown_deps = options.type == 'android_apk'
   unknown_deps = [
       c for c in possible_deps_config_paths if not os.path.exists(c)]
   if unknown_deps and not allow_unknown_deps:
-    raise Exception('Unknown deps: ' + unknown_deps)
+    raise Exception('Unknown deps: ' + str(unknown_deps))
 
   direct_deps_config_paths = [
       c for c in possible_deps_config_paths if not c in unknown_deps]
   all_deps_config_paths = GetAllDepsConfigsInOrder(direct_deps_config_paths)
 
   direct_deps_configs = [GetDepConfig(p) for p in direct_deps_config_paths]
   all_deps_configs = [GetDepConfig(p) for p in all_deps_config_paths]
 
   direct_library_deps = DepsOfType('android_library', direct_deps_configs)
   all_resources_deps = DepsOfType('android_resources', all_deps_configs)
@@ skipping 63 matching lines @@
   build_utils.WriteJson(config, options.build_config, only_if_changed=True)
 
   if options.depfile:
     build_utils.WriteDepfile(
         options.depfile,
         all_deps_config_paths + build_utils.GetPythonDependencies())
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))