Create Network Watchlist data folder for ConfigUpdater

Bug: 63908748
Test: Able to boot

Change-Id: I8db6b5706cce17a60e2a7db9be80020f8681531d
diff --git a/rootdir/init.rc b/rootdir/init.rc
index bdd75af..3b7add7 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -416,6 +416,7 @@
     mkdir /data/misc/sms 0770 system radio
     mkdir /data/misc/carrierid 0770 system radio
     mkdir /data/misc/zoneinfo 0775 system system
+    mkdir /data/misc/network_watchlist 0774 system system
     mkdir /data/misc/textclassifier 0771 system system
     mkdir /data/misc/vpn 0770 system vpn
     mkdir /data/misc/shared_relro 0771 shared_relro shared_relro