Update Security String to 2016-09-07 to platform and CTS for September respin
am: a53b868e6e

Change-Id: I0655a62b517357f75022f902d26b44a5c8aeaf85
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 4f7dbca..bd4ac90 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -103,7 +103,7 @@
   # Can be an arbitrary string, but must be a single word.
   #
   # If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
-  PLATFORM_SECURITY_PATCH := 2016-09-05
+  PLATFORM_SECURITY_PATCH := 2016-09-07
 endif
 
 ifeq "" "$(PLATFORM_BASE_OS)"