frameworks-bt : Advertise only supported profiles in SDP database

Enable or disable PBAP and NAP profiles based on the system property
variables defined in the BT init shell script.

Change-Id: I88ac0db70d0ee2c5aad56a61ac3ebeaa03479d1c
CRs-Fixed: 405182
Bluetooth: Reset alias when device is unpaired.

Reset alias when device is unpaired to undo the remote rename
done (if any).

CRs-Fixed: 368558
Change-Id: Ibdb3319cf8eb989c3074e72aed7ef482d598a4ba