[Predator] Move time_util from common/ to lib/, split code review related part to code_review_util

appengine/findit/handlers/try_job_dashboard.py

 # Copyright 2016 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.
 
 from datetime import datetime
 from datetime import time
 from datetime import timedelta
 import json
 
-from common import time_util
 from common.base_handler import BaseHandler, Permission
 from model.wf_try_job_data import WfTryJobData
+from lib import time_util
 
 
 NOT_AVAILABLE = 'N/A'
 
 
 def _FormatDuration(start_time, end_time):
   if not start_time or not end_time:
     return NOT_AVAILABLE
   return time_util.FormatTimedelta(end_time - start_time)
 
@@ skipping 101 matching lines @@
         'end_date': time_util.FormatDatetime(end_date),
         'try_jobs_in_progress': try_jobs_in_progress,
         'try_jobs_with_error': try_jobs_with_error,
         'successfully_completed_try_jobs': successfully_completed_try_jobs
     }
 
     return {
         'template': 'try_job_dashboard.html',
         'data': data
     }