A sweeping set of leaks tonight revealed many of AT&T's planned phone updates for the year, including its first-ever Android phone. The HTC Lancaster (pictured at top) pictured by Engadget should be a variant of the touchscreen Magic with a slide-out QWERTY keyboard, AT&T-native 3G, a 3-megapixel camera and GPS. Importantly, it will also be treated as a flagship device: the carrier intends to ha