Known for the over-the-top interiors he has created for everyone from musician Elton John to Jimmy Choo cofounder Tamara Mellon, the British-born, Los Angeles–based Martyn Lawrence Bullard is no stranger to bold design. Now the sought-after designer and star of Bravo TV’s Million Dollar Decorators is sharing his work on a broader scale with a collection of 11 different patterns of wall coverings for Schumacher. They range from black-and-white chevron prints to colorful Ottoman motifs inspired by the palaces of…