Update security string to 2022-03-01 am: 389f21950c am: eb389ab195 am: da539453f8

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/16579523

Change-Id: Ifbb2444e7140a95f841f3d31c59aed0b278ec9e0
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index eb32aaa..1767fc0 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 := 2022-02-01
+      PLATFORM_SECURITY_PATCH := 2022-03-01
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH