[android] Clean up test_runner.py arguments.

build/android/pylib/local/machine/local_machine_environment.py

Index: build/android/pylib/local/machine/local_machine_environment.py
diff --git a/build/android/pylib/local/machine/local_machine_environment.py b/build/android/pylib/local/machine/local_machine_environment.py
index b9f6acad37aace6bff804aa5edb56a3d93fe2017..a816e7f4ad6ffec6b45714e5f8c8db03c6f55dcf 100644
--- a/build/android/pylib/local/machine/local_machine_environment.py
+++ b/build/android/pylib/local/machine/local_machine_environment.py
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import devil_chromium
+from pylib import constants
 from pylib.base import environment
 
 
@@ -10,6 +12,9 @@ class LocalMachineEnvironment(environment.Environment):
   def __init__(self, _args, _error_func):
     super(LocalMachineEnvironment, self).__init__()
 
+    devil_chromium.Initialize(
+        output_directory=constants.GetOutDirectory())
+
   #override
   def SetUp(self):
     pass