Colman Domingo made his “Saturday Night Live” hosting debut Saturday night — and if you’re not sure where you know him from, he’s got a few guesses. Probably several. Kicking off his monologue, Domingo acknowledged that after three decades in the business, his resume can be a little hard to pin down. The answer to where you’ve seen him, he suggested, is basically everywhere — rattling off credits including “Fear the Walking Dead,” “Sing Sing,” “The Four Seasons,” “Lincoln” — and then a few he