[Android] Expose each try result in test results JSON.

build/android/pylib/remote/device/remote_device_test_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.
 
 """Run specific test on specific environment."""
 
 import json
 import logging
 import os
 import re
@@ skipping 94 matching lines @@
               is_infra_error=True)
         time.sleep(self.WAIT_TIME)
         timeout_counter += self.WAIT_TIME
         heartbeat_counter += self.WAIT_TIME
       self._DownloadTestResults(self._env.results_path)
 
       if self._results['results']['exception']:
         raise remote_device_helper.RemoteDeviceError(
             self._results['results']['exception'], is_infra_error=True)
 
-      return self._ParseTestResults()
+      return [self._ParseTestResults()]
 
   #override
   def TearDown(self):
     """Tear down the test run."""
     if self._env.collect:
       self._CollectTearDown()
     elif self._env.trigger:
       assert isinstance(self._env.trigger, basestring), (
                         'File for storing test_run_id must be a string.')
       with open(self._env.trigger, 'w') as persisted_data_file:
@@ skipping 255 matching lines @@
         self._LogLogcat()
         self._LogAdbTraceLog()
         raise remote_device_helper.RemoteDeviceError(
             'Remote service unable to reach device.', is_infra_error=True)
       else:
         # Remote service is reporting a failure, but no failure in results obj.
         if results.DidRunPass():
           results.AddResult(base_test_result.BaseTestResult(
               'Remote service detected error.',
               base_test_result.ResultType.UNKNOWN))