Update from https://crrev.com/308331

build/android/pylib/base/test_instance_factory.py

 # Copyright 2014 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.
 
 from pylib import constants
 from pylib.gtest import gtest_test_instance
 from pylib.utils import isolator
+from pylib.uirobot import uirobot_test_instance
+
 
 
 def CreateTestInstance(args, error_func):
 
   if args.command == 'gtest':
     return gtest_test_instance.GtestTestInstance(
         args, isolator.Isolator(constants.ISOLATE_DEPS_DIR))
+  if args.command == 'uirobot':
+    return uirobot_test_instance.UirobotTestInstance(args)
   # TODO(jbudorick) Add instrumentation test instance.
 
   error_func('Unable to create %s test instance.' % args.command)
-