[automerger] [DO NOT MERGE] Update Security String to 2019-06-01 Bug:129374896 am: bcdb638d6a am: f3e105e648 am: 41611b89ea

Change-Id: I85f6511f1258aa33b9df20c42d58ea624a95130e
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index c9132bf..b15edad 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -114,7 +114,7 @@
     #  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 := 2019-03-01
+    PLATFORM_SECURITY_PATCH := 2019-06-01
 endif
 
 ifeq "" "$(PLATFORM_BASE_OS)"