[Android] Fix remote device log parsing.

build/android/pylib/remote/device/remote_device_gtest_run.py

Index: build/android/pylib/remote/device/remote_device_gtest_run.py
diff --git a/build/android/pylib/remote/device/remote_device_gtest_run.py b/build/android/pylib/remote/device/remote_device_gtest_run.py
index 06e82ccdcbec775d0d4d8b1de55eb24421f3bcd6..ca233f1023a8cbbb0ecdcb08cfded1898b51d5c4 100644
--- a/build/android/pylib/remote/device/remote_device_gtest_run.py
+++ b/build/android/pylib/remote/device/remote_device_gtest_run.py
@@ -49,10 +49,14 @@ class RemoteDeviceGtestRun(remote_device_test_run.RemoteDeviceTestRun):
     config_body = {'runner': runner_package}
     self._SetTestConfig(runner_type, config_body)
 
+  _INSTRUMENTATION_STREAM_LEADER = 'INSTRUMENTATION_STATUS: stream='
+
   #override
   def _ParseTestResults(self):
     logging.info('Parsing results from stdout.')
     output = self._results['results']['output'].splitlines()
+    output = (l[len(self._INSTRUMENTATION_STREAM_LEADER):] for l in output
+              if l.startswith(self._INSTRUMENTATION_STREAM_LEADER))
     results_list = self._test_instance.ParseGTestOutput(output)
     results = base_test_result.TestRunResults()
     results.AddResults(results_list)