China Anne McClain will take over Radio Disney for the premiere of the commanding, feet stomping single “What’s My Name” from the upcoming Disney Channel Original Movie “Descendants 2,” on THURSDAY, JUNE 1 (5:00 p.m., ET).  The pop/R&B song will be available for download on iTunes at midnight on Friday, June 2 and the official lyric video will be available on DisneyMusicVEVO at 5:00 p.m., ET. The music video for the single, with never-before-seen footage from the movie, will premiere…