compat: Update forward compatibility horizon to 2020-12-22

PiperOrigin-RevId: 348594729
Change-Id: Ieac580b986bc6cf37921fd0bfde06d37ff208908
diff --git a/tensorflow/python/compat/compat.py b/tensorflow/python/compat/compat.py
index b68fa9c..51e6e9f 100644
--- a/tensorflow/python/compat/compat.py
+++ b/tensorflow/python/compat/compat.py
@@ -33,7 +33,7 @@
 # This value changes every day with an automatic CL. It can be modified in code
 # via `forward_compatibility_horizon()` or with the environment variable
 # TF_FORWARD_COMPATIBILITY_DELTA_DAYS, which is added to the compatibility date.
-_FORWARD_COMPATIBILITY_HORIZON = datetime.date(2020, 12, 21)
+_FORWARD_COMPATIBILITY_HORIZON = datetime.date(2020, 12, 22)
 _FORWARD_COMPATIBILITY_DELTA_DAYS_VAR_NAME = "TF_FORWARD_COMPATIBILITY_DELTA_DAYS"
 _FORWARD_COMPATIBILITY_DATE_NUMBER = None