Merge "[DO NOT MERGE]Update Security String to 2018-04-01 in oc-dev Bug:73240847" into oc-dev am: 656fd837e9
am: 05e66a80dc

Change-Id: Ia769104e933025596c98b66598091eca3e3a860d
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index f03d9ba..648a21d 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -181,7 +181,7 @@
     #  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 := 2018-03-05
+      PLATFORM_SECURITY_PATCH := 2018-04-01
 endif
 
 ifndef PLATFORM_BASE_OS