[Android] Add a dummy host-driven test for ChromiumTestShell.

chrome/android/host_driven_tests/DummyTest.py

+# Copyright (c) 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.
+
+import os
+
+from pylib.host_driven import python_test_base
+from pylib.host_driven import tests_annotations
+
+
+DUMMY_JAVA_TEST_PATH = os.path.abspath(
+    os.path.join(os.path.dirname(__file__), os.pardir, 'javatests', 'src',
+                 'org', 'chromium', 'chrome', 'browser', 'test',
+                 'DummyTest.java'))
+
+
+class DummyTest(python_test_base.PythonTestBase):
+  """Dummy host-driven test for testing the framework itself."""
+
+  @tests_annotations.Smoke
+  def testPass(self):
+    return self._RunJavaTests(
+        DUMMY_JAVA_TEST_PATH, ['DummyTest.testPass'])
+