Updating Security String to 2016-12-05

mnc-dev
b/32249855

(cherry picked from commit 5a24d75e18faab3325f9caedf12524e6d959c90d)
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index e30ea21..3c265ec 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 := 2016-12-01
+  PLATFORM_SECURITY_PATCH := 2016-12-05
 endif
 
 ifeq "" "$(PLATFORM_BASE_OS)"