message: Make tf.saved_model.load work with explicit device placement.
diff: @@ -186,6 +186,7 @@ class _Loader(object):
  # TODO(andresp): Clean use of private methods of TrackableSaver.
  # pylint: disable=protected-access
  saver = util.TrackableSaver(graph_view.ObjectGraphView(self.get(0)))
  + with ops.device("CPU"):
  saver._file_prefix_placeholder = constant_op.constant(variables_path)
  load_status = saver.restore(variables_path)
  load_status.assert_existing_objects_matched()
  