[Android] Guard perf_control creation in gtest test_runner.

BUG=None
TBR=skyostil@chromium.org

Review URL: https://codereview.chromium.org/63403006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235862 0039d316-1c4b-4281-b951-d872f2087c98

build/android/pylib/gtest/test_runner.py

@@ -52,7 +52,8 @@ class TestRunner(base_test_runner.BaseTestRunner):
       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):