[DO NOT MERGE] Update Security String to 2018-01-01 from 2017-12-05
Bug: 69257226
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index c8ae243..837814f 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -165,7 +165,7 @@
     #  It must be of the form "YYYY-MM-DD" on production devices.
     #  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 := 2017-12-05
+      PLATFORM_SECURITY_PATCH := 2018-01-01
 endif
 
 ifndef PLATFORM_BASE_OS