updating subscriber status (if pre-provisioned) to create the chain

Change-Id: I7afe3cd87271edcb9c3a24c2b0235662000bf4d9
diff --git a/xos/synchronizer/steps/sync_hippie_oss_service_instance.py b/xos/synchronizer/steps/sync_hippie_oss_service_instance.py
index e45f058..94b73b7 100644
--- a/xos/synchronizer/steps/sync_hippie_oss_service_instance.py
+++ b/xos/synchronizer/steps/sync_hippie_oss_service_instance.py
@@ -53,7 +53,8 @@
 
             o.valid = "valid"
 
-        # FIXME why without this model_policies won't run the handle_update?
+        # we need to update the timestamp to run model_policies again, but we don't want to loop over the sync_steps
+        # maybe we need an "after_sync" model policy method?
         o.no_sync = True
         o.save(always_update_timestamp=True)