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

build/android/pylib/host_driven/run_python_tests.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.
 
 """Runs the Python tests (relies on using the Java test runner)."""
 
 import logging
 import os
 import sys
 import types
@@ skipping 100 matching lines @@
   Args:
     python_test_root: the path to walk, looking for pythonDrivenTests
     is_official_build: whether to run only those tests marked 'official'
 
   Returns:
     A list of Python modules which may have zero or more tests.
   """
   # By default run all python tests under pythonDrivenTests.
   python_test_file_list = []
   for root, _, files in os.walk(python_test_root):
-    if (root.endswith('pythonDrivenTests')
-        or (is_official_build
-            and root.endswith('pythonDrivenTests/official'))):
+    if (root.endswith('host_driven_tests') or
+        root.endswith('pythonDrivenTests') or
+        (is_official_build and root.endswith('pythonDrivenTests/official'))):
       python_test_file_list += _GetPythonFiles(root, files)
   python_test_file_list.sort()
 
   test_module_list = [_GetModuleFromFile(test_file)
                       for test_file in python_test_file_list]
   return test_module_list
 
 
 def _GetModuleFromFile(python_file):
   """Gets the module associated with a file by importing it.
@@ skipping 65 matching lines @@
   Returns:
     List of test case objects for all available test methods.
   """
   if not test_root:
     return []
   all_tests = []
   test_module_list = _GetTestModules(test_root, is_official_build)
   for module in test_module_list:
     all_tests.extend(_GetTestClassesFromModule(module))
   return all_tests