And Beau Billingsea has already said that the new trailer's voice isn't his (he voiced him in the 2015 trailer, though). Steve Burton seems to also be gone.
EDIT: I'd be surprised if the new VA isn't black though. I don't think S-E is so stupid.
EDIT2: actually, I don't know if that was his Twitter account. I assumed it was because I saw many here posting it (I'm not too familiar with American VAs). I just checked and FUNimation and other verified users follow him, though, so it probably is.