message: compat: Update forward compatibility horizon to 2019-01-13
diff: @@ -27,7 +27,7 @@ import datetime
  from tensorflow.python.util import tf_contextlib
  from tensorflow.python.util.tf_export import tf_export
  -_FORWARD_COMPATIBILITY_HORIZON = datetime.date(2019, 1, 12)
  +_FORWARD_COMPATIBILITY_HORIZON = datetime.date(2019, 1, 13)
  @tf_export("compat.forward_compatible")
  