android: Use adapter index in mgmt functions
android: Use adapter index in mgmt functions

Instead of hardcoding index 0 use real index of adapter. This fix
using invalid index if adapter ID happens to be different than 0.

This should not happen on Android but is possible while testing on
Linux PC.

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