[Android] Guard perf_control creation in gtest test_runner.

build/android/pylib/gtest/test_runner.py

 # Copyright (c) 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
 import os
 import re
 
 from pylib import android_commands
 from pylib import constants
@@ skipping 34 matching lines @@
     self._test_arguments = test_options.test_arguments
 
     timeout = test_options.timeout
     if timeout == 0:
       timeout = 60
     # On a VM (e.g. chromium buildbots), this timeout is way too small.
     if os.environ.get('BUILDBOT_SLAVENAME'):
       timeout = timeout * 2
 
     self._timeout = timeout * self.tool.GetTimeoutScale()
-    self._perf_controller = perf_control.PerfControl(self.adb)
+    if _TestSuiteRequiresHighPerfMode(self.test_package.suite_name):
+      self._perf_controller = perf_control.PerfControl(self.adb)
 
   #override
   def InstallTestPackage(self):
     self.test_package.Install(self.adb)
 
   def GetAllTests(self):
     """Install test package and get a list of all tests."""
     self.test_package.Install(self.adb)
     return self.test_package.GetAllTests(self.adb)
 
@@ skipping 126 matching lines @@
     self.tool.SetupEnvironment()
 
   #override
   def TearDown(self):
     """Cleans up the test enviroment for the test suite."""
     if _TestSuiteRequiresHighPerfMode(self.test_package.suite_name):
       self._perf_controller.RestoreOriginalPerfMode()
     self.test_package.ClearApplicationState(self.adb)
     self.tool.CleanUpEnvironment()
     super(TestRunner, self).TearDown()