test: Add support for passing the CID to btiotest
test: Add support for passing the CID to btiotest

If we want to test LE connections using btiotest we need to be
able to inform btio the Channel ID that we want to connect to, so
the kernel is able to learn that we want to establish a LE connection.

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