Update Security String to 2022-04-05

Bug: 216579780
Change-Id: Ia4661819b2f7ad4cef86d026c97ce07c3be8e005
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index feb5914..16ad062 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 := 2022-03-05
+    PLATFORM_SECURITY_PATCH := 2022-04-05
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH