Bluetooth: Handle exception in OPP during BT ON/OFF

A case where BT ON/OFF APP is configured to do BT ON/OFF
for 5000 iteration. Sometimes OPP database file can't be
opened due to either CursorWindowAllocationException OR
SQLiteException & BT process gets terminated as these
exception were not handled. Handling these exceptions to
solve this issue.

Change-Id: Id98f743b45dd7d43fe26369f860d15c137dc2c54
CRs-Fixed: 605568