83eb6bb5d8
- Move all fingerprint related to logic in on central class in SystemUI that knows all the state of the UI so there is exactly ONE place in which we decide what to do when we acquire a fingerprint. - When pulsing and we get a valid finger, we fade the contents of the Keyguard out and fade the scrim out almost the same way as we would do in a normal wake-and-unlock sequence. - Hide shadows while dozing, so we don't see the artifacts when we fade the dozed Keyguard out. Bug: 23225107 Change-Id: I82f78e61f2530cf7d507ade80f6f0a340c082567