core: Delay Paired property until SDP completes
core: Delay Paired property until SDP completes

To make it easier for clients to know when SDP has completed, and to
make the property consistent with the timing of the Device1.Pair()
method return it makes sense to delay the "Paired" property change until
SDP has completed.

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