message: Update normalization.py
  tf.layer.batch_normalization referenced incorrect keras.layer.BatchNormalization function.
diff: @@ -157,7 +157,7 @@ class BatchNormalization(keras_layers.BatchNormalization, base.Layer):
  @deprecation.deprecated(
  date=None,
  - instructions='Use keras.layers.batch_normalization instead.')
  + instructions='Use keras.layers.BatchNormalization instead.')
  @tf_export(v1=['layers.batch_normalization'])
  def batch_normalization(inputs,
  axis=-1,
  