Explicitly declare the parameter type of QBluetoothServer::error().

The connect signal has trouble deciding on the error type.

Change-Id: I6efde7629af832f394b2ae9ba5a266e281a4a1aa
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>
Reduce debug output on Bluez

Change-Id: I82459078c0510d27ae3611e2914b0ec36ff625ed
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>