Tonight’s lineup of film rarities, presented under the TCM banner “Asian Americans in Classic Hollywood,” serves up two silent films, then one from the sound era. First up, at 8 p.m. ET, is 1919’s The Dragon Painter, an allegory about a man who believes a beautiful woman has metamorphosed into a dragon. Then come two movies starring Anna May Wong: At 9 p.m. ET, it’s 1929’s Piccadilly, a silent film (with dance numbers!) in which she stars a