Disable HFP audio path when HFP call goes on hold/resume when goes off hold

This fixes the issue where a cellular call made to a watch when an
HFP call is in progress causes the cellular audio to go through the
HFP path.

Bug: 32164561
Change-Id: I179ba4e1f1a1e76496f3062cc29bc20014fe5661
(cherry picked from commit 3ee63fdf)