Added packages/infra_libs as the first Python package.

packages/infra_libs/infra_libs/ts_mon/test/config_test.py

 # Copyright 2015 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.
 
 import argparse
 import json
 import os
 import requests
 import tempfile
 import unittest
@@ skipping 373 matching lines @@
     with infra_libs.temporary_directory() as temp_dir:
       filename = os.path.join(temp_dir, 'config')
       with open(filename, 'w') as fh:
         fh.write('not a json file')
 
       with self.assertRaises(ValueError):
         config.load_machine_config(filename)
 
   def test_load_machine_config_not_exists(self):
     self.assertEquals({}, config.load_machine_config('does not exist'))