message: Some renames for tf.contrib.rnn symbols.
diff: @@ -470,6 +470,10 @@ class TFAPIChangeSpec(ast_edits.APIChangeSpec):
  "tf.data.experimental.unbatch",
  "tf.contrib.data.unique":
  "tf.data.experimental.unique",
  + "tf.contrib.rnn.RNNCell":
  + "tf.nn.rnn_cell.RNNCell",
  + "tf.contrib.rnn.LSTMStateTuple":
  + "tf.nn.rnn_cell.LSTMStateTuple",
  "tf.contrib.framework.sort":
  "tf.sort",
  "tf.contrib.framework.argsort":
  