Mariah Carey and ABBA are among the first recipients of the new BRIT Billion Award. They are joined by AJ Tracey, Headie One, RAYE, Rita Ora, Sam Smith, Lewis Capaldi, Ellie Goulding, Anne-Marie, Coldplay and George Ezra. Accepting her award, Carey said, “I’m really honored to be one of the recipients of the BRIT Billion…