By the way ... she's black.

Andrew -- who also starred on "Total Divas" -- says when it comes to dating, she simply has a preference and it's for "white boys."

Plus, Andrew says ... black people and white people make beautiful babies together.

(Note: we have no idea why our photog even posed that question but she went with it.)

Andrew also says she 100% supports The Rock if he decides to run for president ... but she probably wouldn't date him -- 'cause he's half black.