Bluetooth: Handle exception in SAP/DUN during BT ON/OFF

A case where BT ON/OFF APP is configured to do BT ON/OFF
for 5000 iteration. Every time when BT is turned on, then
SAP & DUN status properties need to be set as running, to
start SAP & DUN daemons. Property setting get failed rarely,
which is throwing runtime exception & BT process gets
terminated. Handling this exception & cleaning up bound
adapter service to solve this issue.

Change-Id: Ie3db97b57cf09e5b7b3394e7fdb7f81208f458a9
CRs-Fixed: 605568
2 files changed