message: Logs a message if Tensor Tracer is enabled.
diff: @@ -421,7 +421,11 @@ class TensorTracer(object):
  def is_enabled():
  """Returns True if TensorTracer is enabled."""
  - return TensorTracer._is_flag_on(_FLAG_NAME_ENABLE)
  + if TensorTracer._is_flag_on(_FLAG_NAME_ENABLE):
  + logging.info('Tensor Tracer is enabled.')
  + return True
  + else:
  + return False
  @staticmethod
  def use_test_undeclared_outputs_dir():
  