(nobug): Skip failing mochitest browser_asrouter_cfr.js
(nobug): Skip failing mochitest browser_asrouter_cfr.js

This will by reverted in Bug 1492777
rlr/activity-streams,rlr/activity-streams,AdamHillier/activity-stream,mozilla/activity-stream,AdamHillier/activity-stream,mozilla/activity-stream,Mardak/activity-stream,mozilla/activity-streams,mozilla/activity-streams,mozilla/activity-stream,AdamHillier/activity-stream,Mardak/activity-stream,sarracini/activity-stream,sarracini/activity-stream,rlr/activity-streams,rlr/activity-streams,Mardak/activity-stream,sarracini/activity-stream,Mardak/activity-stream,AdamHillier/activity-stream,mozilla/activity-stream,sarracini/activity-stream