message: Use resource_loader to find test files rather than hard coded paths.
diff: @@ -79,10 +79,11 @@ _VERBOSE_DIFFS_HELP = """
  false, only print which libraries have differences.
  """
  -_API_GOLDEN_FOLDER_V1 = 'tensorflow/tools/api/golden/v1'
  -_API_GOLDEN_FOLDER_V2 = 'tensorflow/tools/api/golden/v2'
  -_TEST_README_FILE = 'tensorflow/tools/api/tests/README.txt'
  -_UPDATE_WARNING_FILE = 'tensorflow/tools/api/tests/API_UPDATE_WARNING.txt'
  +_API_GOLDEN_FOLDER_V1 = resource_loader.get_path_to_datafile('../golden/v1')
  +_API_GOLDEN_FOLDER_V2 = resource_loader.get_path_to_datafile('../golden/v2')
  +_TEST_README_FILE = resource_loader.get_path_to_datafile('README.txt')
  +_UPDATE_WARNING_FILE = resource_loader.get_path_to_datafile(
  + 'API_UPDATE_WARNING.txt')
  _NON_CORE_PACKAGES = ['estimator']
  