Update Security String to 2022-01-01 am: af5392280c am: c3a1392249 am: 96d63bce8f am: 2c29217e87

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/16331856

Change-Id: Ibad40c3f0dff954b6eeb8057c47a89ad45ab48ca
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 892789f..bdb8201 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -240,7 +240,7 @@
     #  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 := 2021-12-01
+      PLATFORM_SECURITY_PATCH := 2022-01-01
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH