well, yes he did. if it's supposed to be shade or not depends on if she said anything more and what the interviewer asked her. this short article is obviously meant to get viral
and i know Lionel has said numerous times he wants to do like a duet with Adele. of course he's probably a Little bit bitter because she has such a hit with her Hello, but i mean the theme is timeless and endlessly used in pop...
and also, if it WAS intended as shade from rih (which i doubt was serious, i guess she winked when she said it), Adele has already given her great promo by hyping up Anti and the upcoming tour herself on Jimmy fallon and in interviews