RESTRICT AUTOMERGE resubmit "Bug fix channel utilization during high traffic"

This CL is to resubmit "Bug fix channel utilization during high traffic"
with RESTRICT AUTOMERGE so that it can be auto-merged to other RVC
branches but not to master.

Test: atest com.android.server.wifi
Bug: 159866355
Change-Id: I3e31fe7248688eefa00dd48dff383e89548e5f93
6 files changed
tree: 9d762aff173103f3a818648b51c00e1a059e8003
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg