Add createuserkey

Needed so we can make the user0 key on first boot

Change-Id: I4699dbf2efdec44bb09bc4cfa7eeb59e56cb93ab
diff --git a/rootdir/init.rc b/rootdir/init.rc
index bd93731..20e9f7d 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -406,6 +406,7 @@
     mkdir /data/user_de/0 0771 system system
 
     setusercryptopolicies /data/user
+    createuserkey 0 0 0
 
     # Reload policy from /data/security if present.
     setprop selinux.reload_policy 1