Reland of 'New run shell implementation for DeviceUtils'

build/android/pylib/instrumentation/test_runner.py

 # Copyright (c) 2012 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.
 
 """Class for running instrumentation tests on a single device."""
 
 import logging
 import os
 import re
 import sys
@@ skipping 340 matching lines @@
 
     Returns:
       The raw output of am instrument as a list of lines.
     """
     # Build the 'am instrument' command
     instrumentation_path = (
         '%s/%s' % (self.test_pkg.GetPackageName(), self.options.test_runner))
 
     cmd = ['am', 'instrument', '-r']
     for k, v in self._GetInstrumentationArgs().iteritems():
-      cmd.extend(['-e', k, "'%s'" % v])
-    cmd.extend(['-e', 'class', "'%s'" % test])
+      cmd.extend(['-e', k, v])
+    cmd.extend(['-e', 'class', test])
     cmd.extend(['-w', instrumentation_path])
     return self.device.RunShellCommand(cmd, timeout=timeout, retries=0)
 
   @staticmethod
   def _ParseAmInstrumentRawOutput(raw_output):
     """Parses the output of an |am instrument -r| call.
 
     Args:
       raw_output: the output of an |am instrument -r| call as a list of lines
     Returns:
@@ skipping 132 matching lines @@
     except device_errors.CommandTimeoutError as e:
       results.AddResult(test_result.InstrumentationTestResult(
           test, base_test_result.ResultType.TIMEOUT, start_ms, duration_ms,
           log=str(e) or 'No information'))
     except device_errors.DeviceUnreachableError as e:
       results.AddResult(test_result.InstrumentationTestResult(
           test, base_test_result.ResultType.CRASH, start_ms, duration_ms,
           log=str(e) or 'No information'))
     self.TestTeardown(test, results)
     return (results, None if results.DidRunPass() else test)