[Android][Telemetry] Add logging and temporarily ensure StopMonitoringPower is called.

tools/perf/measurements/memory.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.
 
+import logging
+
 from telemetry.page import page_test
 
 from metrics import memory
 from metrics import power
 
 
 class Memory(page_test.PageTest):
   def __init__(self):
     super(Memory, self).__init__()
     self._memory_metric = None
@@ skipping 18 matching lines @@
     # a high frequency.
     options.AppendExtraBrowserArgs('--memory-metrics')
 
   def ValidateAndMeasurePage(self, page, tab, results):
     self._power_metric.Stop(page, tab)
     self._memory_metric.Stop(page, tab)
     self._memory_metric.AddResults(tab, results)
     self._power_metric.AddResults(tab, results)
 
   def DidRunPage(self, platform):
+    # TODO(rnephew): Remove when crbug.com/553601 is solved.
+    logging.info('DidRunPage for memory metric')
     self._power_metric.Close()