Merge changes I3e31fe72,I3fb0484c into rvc-dev

* changes:
  RESTRICT AUTOMERGE resubmit "Bug fix channel utilization during high traffic"
  Revert "Bug fix channel utilization during high traffic"
tree: 60938ef0914afb8b06bacf775c0188bbff8aaf39
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg