[DO NOT MERGE] Update Security String to 2017-02-05 on mnc-dev

Change-Id: Iefaf98b1fe24e70f1262a432b6edc792383acf8e
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index a85c754..bb47709 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 := 2017-02-01
+  PLATFORM_SECURITY_PATCH := 2017-02-05
 endif
 
 ifeq "" "$(PLATFORM_BASE_OS)"