Treat sharded perf test timeouts as failures.

build/android/pylib/perf/test_runner.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.
 
 """Runs perf tests.
 
 Our buildbot infrastructure requires each slave to run steps serially.
 This is sub-optimal for android, where these steps can run independently on
 multiple connected devices.
 
@@ skipping 222 matching lines @@
     if self._options.single_step:
       # Just print a heart-beat so that the outer buildbot scripts won't timeout
       # without response.
       logfile = _HeartBeatLogger()
     cwd = os.path.abspath(constants.DIR_SOURCE_ROOT)
     if full_cmd.startswith('src/'):
       cwd = os.path.abspath(os.path.join(constants.DIR_SOURCE_ROOT, os.pardir))
     try:
       exit_code, output = cmd_helper.GetCmdStatusAndOutputWithTimeout(
           full_cmd, timeout, cwd=cwd, shell=True, logfile=logfile)
+    except cmd_helper.TimeoutError as e:
+      exit_code = -1
+      output = str(e)
     finally:
       if self._options.single_step:
         logfile.stop()
     end_time = datetime.datetime.now()
     if exit_code is None:
       exit_code = -1
     logging.info('%s : exit_code=%d in %d secs at %s',
                  test_name, exit_code, (end_time - start_time).seconds,
                  self.device_serial)
     result_type = base_test_result.ResultType.FAIL
@@ skipping 30 matching lines @@
     Returns:
       A tuple of (TestRunResults, retry).
     """
     _, result_type = self._LaunchPerfTest(test_name)
     results = base_test_result.TestRunResults()
     results.AddResult(base_test_result.BaseTestResult(test_name, result_type))
     retry = None
     if not results.DidRunPass():
       retry = test_name
     return results, retry