"Whatcha See Is Whatcha Get" says the opening song. Wattstax, the dynamic film of the 1972 Los Angeles event attended by over 100 ,000 concertgoers and first billed as the "black Woodstock," gets ya plenty. Its performances burn with vitality. Its forays into the neighborhood are a time capsule of pride and pain. And the Richard Pryor comedy riffs that provide the film's running commentary are a treasure all by themselves. New generatio