Add bg location access for companiondevicemanager

companiondevicemanager only runs in the background
and needs location access to handle BT scan results.

Bug: 120224777
Test: Build/flash on Taimen, ensure BT scan results
show up when initiated from WearOS app.
Change-Id: Ib90eb708553f83f003256162252d418f5e91dc10
2 files changed