Fixes test tagging to just update the name

build/android/pylib/base/test_dispatcher.py

 # Copyright 2013 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.
 
 """Dispatches tests, either sharding or replicating them.
 
 To dispatch, performs the following steps:
 * Create a test collection factory, using the given tests
   - If sharding: test collection factory returns the same shared test collection
     to all test runners
@@ skipping 139 matching lines @@
 
   def TagTestRunResults(test_run_results):
     """Tags all results with the last 4 digits of the device id.
 
     Used when replicating tests to distinguish the same tests run on different
     devices. We use a set to store test results, so the hash (generated from
     name and tag) must be unique to be considered different results.
     """
     new_test_run_results = base_test_result.TestRunResults()
     for test_result in test_run_results.GetAll():
-      test_result.SetTag(runner.device[-4:])
+      test_result.SetName('%s_%s' % (runner.device[-4:], test_result.GetName()))
       new_test_run_results.AddResult(test_result)
     return new_test_run_results
 
   for test in test_collection:
     watcher.Reset()
     try:
       if not android_commands.IsDeviceAttached(runner.device):
         # Device is unresponsive, stop handling tests on this device.
         msg = 'Device %s is unresponsive.' % runner.device
         logging.warning(msg)
@@ skipping 215 matching lines @@
   try:
     return _RunAllTests(runners, test_collection_factory,
                         num_retries, test_timeout, tag_results_with_device)
   finally:
     try:
       _TearDownRunners(runners, setup_timeout)
     except android_commands.errors.DeviceUnresponsiveError as e:
       logging.warning('Device unresponsive during TearDown: [%s]', e)
     finally:
       forwarder.Forwarder.KillHost(build_type)