Is AD1 installed?
If so, I would save the project under a new name/project for safety, then unfreeze the ad1 tracks. Then the correct drum kit should show.
If it's not installed, reinstall it then do the above.
I think you can also add those kits to ad2. I don't remember if there is a fee for that but I think it's free?
Oops!
I also meant to say that obviously, you need to copy the midi track from ad1 to ad2 or redirect the midi track of ad1 to ad2. I don't really recommend that as you may run into trouble deleting ad1 afterwards unless you're careful.