HBO's 'Normal' and Showtime's 'Soldier's Girl' bring the lives of transgendered people to the small screen BY GLENN GARVIN ggarvin@herald.com The conversation would have made Calpernia Addams wince, if she hadn't already heard it a thousand times before. Walking down the street at Sundance Film Festival, the center of the hip filmmaking universe, the phrase floated out of the cloud of deal-cutting babble: . . . and then the transsexual prostitute. . .''In Hollywood, it's like the two words go together, transsexual and prostitute,'' says Addams, who owns a video production company -- and is also transsexual. ``They don't even...