message: Add new kwargs key to escape from creating mirrored variable in TPU strategy scope.
diff: @@ -386,6 +386,9 @@ class TPUExtended(distribute_lib.StrategyExtendedV1):
  def _create_variable(self, next_creator, *args, **kwargs):
  """Create a TPUMirroredVariable. See `DistributionStrategy.scope`."""
  + if kwargs.pop("tpu_embedding_variable_creator", False):
  + return next_creator(*args, **kwargs)
  +
  colocate_with = kwargs.pop("colocate_with", None)
  if colocate_with is None:
  device_map = self._device_map
  