Unset the priorities for car profiles on unpair.

When the device is unpaired the priorities should not be retained since
on the next pairing we will persist priorities if they are anything
other than UNDEFINED.

Bug: b/31021525

Change-Id: Ifd7dbf93aff3abcd0f6207395fbac90480624415
(cherry picked from commit cd29fbf80159c5a7d4573f1eb9d3eee751084f48)
2 files changed