[automerge] Update Security String to 2021-10-06 2p: 61275cd338

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/15676633

Bug: 193547118
Change-Id: Id8bd233e6f86d5499099ffdc980583cdb7b92cae
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index bd243d8..ecb0351 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 := 2021-10-05
+      PLATFORM_SECURITY_PATCH := 2021-10-06
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH