- Update unlock animations to new spec to make the consistent with
lockscreen launch animations.
- Introduce disappearing motion for security views which runs before
we actually dismiss Keyguard.
- If a window is running the un-force-hide animation, treat as it
would have the wallpaper flag set so the wallpaper stays until
the animation is completely done.
- Run an animation on the wallpaper if the wallpaper is going away.
Bug: 15991916
Bug: 16234603
Bug: 15326120
Change-Id: I063aa4f269ddcf75b9a705e90f0c3056b541b642
