John Boyega discussed his experience on the set of “Star Wars: The Last Jedi” (SPOILER: he wasn’t a fan of director Rian Johnson’s music playlist), working with Kathryn Bigelow on “Detroit,” and why he won’t be watching “Game of Thrones” Season 7 yet, on our video series “Uncovered” presented by H&M — as part of our Power of Young Hollywood issue.