Prefer jinja2 from third_party over system library in process_resources.py

build/android/gyp/process_resources.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2012 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.
 
 """Process Android resources to generate R.java, and prepare for packaging.
 
 This will crunch images and generate v14 compatible resources
 (see generate_v14_compatible_resources.py).
 """
 
 import codecs
 import optparse
 import os
 import re
 import shutil
 import sys
 import zipfile
 
 import generate_v14_compatible_resources
 
 from util import build_utils
 
 # Import jinja2 from third_party/jinja2
-sys.path.append(os.path.join(os.path.dirname(__file__), '../../../third_party'))
+sys.path.insert(1,
+    os.path.join(os.path.dirname(__file__), '../../../third_party'))
 from jinja2 import Template # pylint: disable=F0401
 
 
 def ParseArgs(args):
   """Parses command line options.
 
   Returns:
     An options object as from optparse.OptionsParser.parse_args()
   """
   parser = optparse.OptionParser()
@@ skipping 375 matching lines @@
   if options.depfile:
     input_files += build_utils.GetPythonDependencies()
     build_utils.WriteDepfile(options.depfile, input_files)
 
   if options.stamp:
     build_utils.Touch(options.stamp)
 
 
 if __name__ == '__main__':
   main()