Cody Johnson and Carrie Underwood took a different route when it came to recording their new duet “I’m Gonna Love You.” They recorded it together in studio … live. It might not sound like much, but these days, with very busy schedules, it’s nearly impossible to get together in a studio. And with the power of technology, the burden of having to do it that way is non-existent — artists can record on opposite sides of the planet and still put their voices together on a track. Johnson, however, is very hands-on with his work, and he made it a priority to be in studio when Underwood laid down her v…