Update Security String to 2020-06-05
Bug: 153882927

Change-Id: I115a68d442f4f3922f0353fae1aae3bf1c057903
(cherry picked from commit a52a320ffd1c74fc87c4d33c367fda8d9224e5a2)
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index af9ab6b..70a8f08 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -250,7 +250,7 @@
     #  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 := 2020-06-01
+      PLATFORM_SECURITY_PATCH := 2020-06-05
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH