[Findit] Factoring the gitiles (etc) stuff out into its own directory

appengine/findit/handlers/test/help_triage_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 json
 import os
 import webapp2
 
 from testing_utils import testing
 
-from common.git_repository import GitRepository
+from lib.gitiles.git_repository import GitRepository
 from handlers import help_triage
 from model.wf_analysis import WfAnalysis
 from model.wf_build import WfBuild
 from waterfall import buildbot
 from waterfall.build_info import BuildInfo
 from waterfall import build_util
 
 
 EXPECTED_RESULTS_120 = {
     '598ed4fa15e6a1d0d92b2b7df04fc31ab5d6e829': {
@@ skipping 235 matching lines @@
         self.master_name, self.builder_name, 123)
     build = WfBuild.Create(self.master_name, self.builder_name, 123)
     build.data = self._GetBuildInfo(self.master_name, self.builder_name, 123)
     build.put()
 
     response = self.test_app.get('/help-triage', params={'url': build_url})
     expected_results = {}
 
     self.assertEqual(200, response.status_int)
     self.assertEqual(expected_results, response.json_body)