According to Fstoppers, neither a bird nor a Kryptonian and his reporter girlfriend got the shot: instead, it was Toby Harriman, who took two one-hour helicopter flights to get this gorgeous aerial video of an early-morning San Francisco.
Yes, a helicopter, not a drone! Fstoppers reports that "Video like this...is impossible to reproduce using the ubiquitous quadcopter. The shots can be better framed from higher angles over greater distances than could ever be achieved using something like a DJI Phantom and a GoPro." So now you know.