Poised, photogenic performer with strikingly delicate features, of British-African ancestry. Davidson was born in California but raised in the white middle-class surroundings of Hertfordshire, England. After being discovered at a London wrap party for Derek Jarman's "Edward II", this androgynous, light-complexioned beauty made a big splash with a screen debut in Neil Jordan's "The Crying Game" (1992). Though untrained in acting, Davidson was riveting and fascinating as Dil, a mysterious London singer and hairdresser who confounded many a spectator's expectations. His remarkable achievement was