Fix resource_sizes.py breaking if CWD!=src

build/android/resource_sizes.py

 #!/usr/bin/python
 # Copyright (c) 2011 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.
 
 """Prints the size of each given file and optionally computes the size of
    libchrome.so without the dependencies added for building with android NDK.
    Also breaks down the contents of the APK to determine the installed size
    and assign size contributions to different classes of file.
 """
@@ skipping 705 matching lines @@
   args = argparser.parse_args()
 
   chartjson = _BASE_CHART.copy() if args.chartjson else None
 
   if args.chromium_output_directory:
     constants.SetOutputDirectory(args.chromium_output_directory)
   if not args.no_output_dir:
     constants.CheckOutputDirectory()
     devil_chromium.Initialize()
     build_vars = _ReadBuildVars(constants.GetOutDirectory())
-    tools_prefix = build_vars['android_tool_prefix']
+    tools_prefix = os.path.join(constants.GetOutDirectory(),
+                                build_vars['android_tool_prefix'])
   else:
     tools_prefix = ''
 
   PrintApkAnalysis(args.apk, tools_prefix, chartjson=chartjson)
   _PrintDexAnalysis(args.apk, chartjson=chartjson)
   if not args.no_output_dir:
     PrintPakAnalysis(args.apk, args.min_pak_resource_size)
     _PrintStaticInitializersCountFromApk(
         args.apk, tools_prefix, chartjson=chartjson)
   if chartjson:
     results_path = os.path.join(args.output_dir, 'results-chart.json')
     logging.critical('Dumping json to %s', results_path)
     with open(results_path, 'w') as json_file:
       json.dump(chartjson, json_file)
 
 
 if __name__ == '__main__':
   sys.exit(main())