message: Enables wrapping input pipeline into tf.while_loop for all users.
diff: @@ -66,7 +66,7 @@ _CROSS_REPLICA_SUM_OP = 'CrossReplicaSum'
  _RESERVED_PARAMS_KEYS = [_BATCH_SIZE_KEY]
  # TODO(b/65703635): Flip the value and remove all dead code.
  -_WRAP_INPUT_FN_INTO_WHILE_LOOP = False
  +_WRAP_INPUT_FN_INTO_WHILE_LOOP = True
  def _create_global_step(graph):
  