DO NOT MERGE : Update Security String to 2017-05-05 on mnc-dev am: fa157ee487 am: e4ced7a432
am: 84869ab1e2

Change-Id: I9c5be058a27139b73fb331248c682f17a9bfbfe1
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 7516a12..00187bc 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -105,7 +105,7 @@
   #  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 := 2017-05-01
+  PLATFORM_SECURITY_PATCH := 2017-05-05
 endif
 
 ifeq "" "$(PLATFORM_BASE_OS)"