Update Security String to 2019-04-05 Bug: 124119313
am: 0b5a344dc3

Change-Id: I9154a76936f71e6e4af6ea8895881727a4d7be07
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index b806354..28d0be8 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -252,7 +252,7 @@
     #  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 := 2019-04-01
+      PLATFORM_SECURITY_PATCH := 2019-04-05
 endif
 .KATI_READONLY := PLATFORM_SECURITY_PATCH