Update Security String to 2021-02-05 am: d4d46ab023 am: 02819aefbd

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/13202277

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I216d8e70e6ebc75f8f4cd5efdb0c9b0190ea7866
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 6ac90d8..e610490 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 := 2021-01-05
+      PLATFORM_SECURITY_PATCH := 2021-02-05
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH