Bisect bots scheduled outage, notify try job users and disable android on CQ.

tools/perf/PRESUBMIT.py

 # Copyright 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.
 
 """Presubmit script for changes affecting tools/perf/.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into depot_tools.
 """
 
@@ skipping 105 matching lines @@
   original_description = rietveld_obj.get_description(issue)
   if not benchmarks_modified or re.search(
      r'^CQ_EXTRA_TRYBOTS=.*', original_description, re.M | re.I):
     return []
 
   results = []
   bots = [
     'linux_perf_bisect',
     'mac_10_10_perf_bisect',
     'win_perf_bisect',
-    'android_nexus5_perf_bisect'
+    # crbug.com/568661, Disable android bots for CQ due to scheduled lab move.
+    # 'android_nexus5_perf_bisect'
   ]
   bots = ['tryserver.chromium.perf:%s' % s for s in bots]
   bots_string = ';'.join(bots)
   description = original_description
   description += '\nCQ_EXTRA_TRYBOTS=%s' % bots_string
   results.append(output_api.PresubmitNotifyResult(
       'Automatically added Perf trybots to run Telemetry benchmarks on CQ.'))
 
   if description != original_description:
    rietveld_obj.update_description(issue, description)
 
   return results