Oh, AT&T -- you can't post up a video detailing the testing process for Android phones and not expect us to notice that your guys are waving around the heretofore unannounced HTC Liberty, which was leaked by Android Central on Sunday. Honestly, now. It's hard to tell much from the video apart from the fact that this thing is running Sense and has a flush face with capacitive buttons along the bottom, but the leak says the screen res is just 320 x 480, which is somewhat less than awesome. Of course, AT&T's Android lineup has been
