message: Add missing comment about TPU disable to multi_process_runner.
diff: @@ -32,6 +32,8 @@ def is_oss():
  def _is_enabled():
  + # Note that flags may not be parsed at this point and simply importing the
  + # flags module causes a variety of unusual errors.
  tpu_args = [arg for arg in sys.argv if arg.startswith('--tpu')]
  if is_oss() and tpu_args:
  return False
  