[Android] Convert to DeviceUtils versions of IsOnline, HasRoot, and EnableRoot.

build/android/pylib/instrumentation/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.
 
 """Class for running instrumentation tests on a single device."""
 
 import logging
 import os
 import re
 import sys
@@ skipping 129 matching lines @@
 
   def _TakeScreenshot(self, test):
     """Takes a screenshot from the device."""
     screenshot_name = os.path.join(constants.SCREENSHOTS_DIR, '%s.png' % test)
     logging.info('Taking screenshot named %s', screenshot_name)
     self.device.old_interface.TakeScreenshot(screenshot_name)
 
   def SetUp(self):
     """Sets up the test harness and device before all tests are run."""
     super(TestRunner, self).SetUp()
-    if not self.device.old_interface.IsRootEnabled():
+    if not self.device.HasRoot():
       logging.warning('Unable to enable java asserts for %s, non rooted device',
                       str(self.device))
     else:
       if self.device.old_interface.SetJavaAssertsEnabled(True):
         self.device.old_interface.Reboot(full_reboot=False)
 
     # We give different default value to launch HTTP server based on shard index
     # because it may have race condition when multiple processes are trying to
     # launch lighttpd with same port at same time.
     self.LaunchTestHttpServer(
@@ skipping 222 matching lines @@
         duration_ms = 0
       message = str(e)
       if not message:
         message = 'No information.'
       results.AddResult(test_result.InstrumentationTestResult(
           test, base_test_result.ResultType.CRASH, start_date_ms, duration_ms,
           log=message))
       raw_result = None
     self.TestTeardown(test, raw_result)
     return (results, None if results.DidRunPass() else test)