event: Store Class of Device after connection
event: Store Class of Device after connection

The Class of Device is usually sent on the EIR returned by the Device
Connected mgmt event. For hciops, the Class of Device is always NULL on
the connection complete event.

The stored Class of Device is used later for Class/Icon device
properties.

mapfau/bluez,mapfau/bluez,pstglia/external-bluetooth-bluez,pstglia/external-bluetooth-bluez,pkarasev3/bluez,ComputeCycles/bluez,silent-snowman/bluez,silent-snowman/bluez,silent-snowman/bluez,mapfau/bluez,pstglia/external-bluetooth-bluez,ComputeCycles/bluez,silent-snowman/bluez,pkarasev3/bluez,ComputeCycles/bluez,pkarasev3/bluez,ComputeCycles/bluez,mapfau/bluez,pkarasev3/bluez,pstglia/external-bluetooth-bluez