TBH the question itself is ridiculously loaded and goofy. What the fukk is he supposed to say? Run?
I mean regardless of the biases of police officers in general, the only thing to play the odds with them is act respectful and normal and hope it's an uneventful interaction. I mean what the fukk else can a normal person in that situation do?
Maybe record all interactions but I mean there is nothing special whether you are black or white you can do differently if you're pulled over except try to minimize hostilities and do anything on your end to make the interaction as benign as possible.