DO NOT MERGE - Merge January 2020 Security Release into master

Bug: 147314974
Change-Id: I1d6098643e9d3711e663b521dca875254008e787
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 8095212..5d445e0 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -250,7 +250,7 @@
     #  It must be of the form "YYYY-MM-DD" on production devices.
     #  It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
     #  If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
-      PLATFORM_SECURITY_PATCH := 2019-12-05
+      PLATFORM_SECURITY_PATCH := 2020-01-01
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH