ts_mon: remove dependency on apiclient.

infra_libs/ts_mon/common/monitors.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.
 
 """Classes representing the monitoring interface for tasks or devices."""
 
 
 import base64
 import json
 import logging
 
-from apiclient import discovery
+from googleapiclient import discovery
 from oauth2client import gce
 from oauth2client.client import GoogleCredentials
 from oauth2client.file import Storage
 import httplib2
 
 from infra_libs import httplib2_utils
 from infra_libs.ts_mon.common import http_metrics
 from infra_libs.ts_mon.protos import metrics_pb2
 
 
@@ skipping 140 matching lines @@
     logging.info('Flushing monitoring metrics:\n%s', text)
     if self._fh is not None:
       self._fh.write(text + '\n\n')
       self._fh.flush()
 
 
 class NullMonitor(Monitor):
   """Class that doesn't send metrics anywhere."""
   def send(self, metric_pb):
     pass