Not sure how much time it takes.My guess, would be, that changes takes
place right away and the data with referrer should show after 60 - 90
minutes (based on report suite latency).However, I suggest you to wait
for 24 hours to see if data starts to flow in referrer report. Also,
make sure your internal URL filter contains url for your internal sites
(own sites) and also make sure s.referrer get populated whenever user
lands from partner site to your site.