DO NOT MERGE
Update Security String to 2021-05-05

Bug: 182937985
Change-Id: Ica626a3b19e5b642807234c288428cd7e0f40f98
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 9c7ac2c..b32474d 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 := 2021-03-05
+      PLATFORM_SECURITY_PATCH := 2021-05-05
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH