MAP: Add support for Connection ID

This patch adds support for connection identifier used while
sending put requests to MNS.

Change-Id: I016940d2ca023fc7d2e3da1c63e338e1528be147
CRs-Fixed: 518395
Bluetooth: Add trust device feature.

Add set trust feature where the remote device is marked
as a trusted device for subsequent connection.

CRs-fixed: 523135

Change-Id: I9bde4d7dfe07d9d63b58a661ed2413f45501bd7b