Of course he is in blackface. The form has been on the rise for years now - ever since Spike Lee let the cat out of the bag with his film Bamboozled. Since that time several stars have worn blackface on Comedy Central: David Spade, Greg Giraldo, Dave Chappelle, Sarah Silverman, Carlos Mencia, and others.
Blackface rules! So, of course, it is making a massive come back - though it never entirely went away.