Married actors Trai and Grace Byers, best-known for their roles on “Empire” as Andre Lyon and Anika Calhoun, respectively, have traded the jam-packed hills of Hollywood for a roomy piece of suburban L.A. bliss. Records reveal the couple paid north of $4 million for their relaxed new digs, which were constructed on speculation by a prolific luxury homebuilder and sold before the charcoal-colored exterior paint was even dry.