[Android] Switch instrumentation tests to platform mode.

build/android/pylib/local/device/local_device_instrumentation_test_run.py

 # Copyright 2015 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.
 
 import logging
 import re
 import time
 
 from devil.android import device_errors
 from devil.android import flag_changer
@@ skipping 36 matching lines @@
     r'\s*mCurrentFocus.*Application (Error|Not Responding): (\S+)}')
 
 
 class LocalDeviceInstrumentationTestRun(
     local_device_test_run.LocalDeviceTestRun):
   def __init__(self, env, test_instance):
     super(LocalDeviceInstrumentationTestRun, self).__init__(env, test_instance)
     self._flag_changers = {}
 
   def TestPackage(self):
-    return None
+    return self._test_instance.suite
 
   def SetUp(self):
     def substitute_external_storage(d, external_storage):
       if not d:
         return external_storage
       elif isinstance(d, list):
         return '/'.join(p if p else external_storage for p in d)
       else:
         return d
 
@@ skipping 200 matching lines @@
         timeout = v
         break
     else:
       logging.warning('Using default 1 minute timeout for %s', test_name)
       timeout = 60
 
     timeout *= cls._GetTimeoutScaleFromAnnotations(annotations)
 
     return timeout