[Android] Fix unknown handling in gtest_test_instance.

build/android/pylib/local/device/local_device_gtest_run.py

 # Copyright 2014 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 collections
 import itertools
 import logging
 import os
 import posixpath
 
@@ skipping 332 matching lines @@
     for s in self._servers[str(device)]:
       s.Reset()
     if self._test_instance.app_files:
       self._delegate.PullAppFiles(device, self._test_instance.app_files,
                                   self._test_instance.app_file_dir)
     if not self._env.skip_clear_data:
       self._delegate.Clear(device)
 
     # Parse the output.
     # TODO(jbudorick): Transition test scripts away from parsing stdout.
-    results = self._test_instance.ParseGTestOutput(output)
+    results = gtest_test_instance.ParseGTestOutput(output)
 
     # Check whether there are any crashed testcases.
     self._crashes.update(r.GetName() for r in results
                          if r.GetType() == base_test_result.ResultType.CRASH)
     return results
 
   #override
   def TearDown(self):
     @local_device_test_run.handle_shard_failures
     def individual_device_tear_down(dev):
       for s in self._servers.get(str(dev), []):
         s.TearDown()
 
       tool = self.GetTool(dev)
       tool.CleanUpEnvironment()
 
     self._env.parallel_devices.pMap(individual_device_tear_down)