message: Deprecate broken AUC metric
diff: @@ -627,6 +627,9 @@ def _aggregate_variable(v, collections):
  @tf_export(v1=['metrics.auc'])
  +@deprecated(None,
  + 'The value of AUC returned by this may race with the update so '
  + 'this is deprected. Please use tf.keras.metrics.AUC instead.')
  def auc(labels,
  predictions,
  weights=None,
  