Update Security string to 2017-01-01 in klp-dev

b/32949407
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 749505f..c92dd18 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -70,7 +70,7 @@
   # 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 := 2016-11-05
+  PLATFORM_SECURITY_PATCH := 2017-01-01
 endif
 
 ifeq "" "$(PLATFORM_BASE_OS)"