AmbientState is a global state for the algorithm of the
StackScroller. Dimmed and which child is activated was moved
into this state. Further, scale and dimmed is also a
StackScrollState and animated in StackStateAnimator.
Change-Id: Ia68131cee62b2e0005f55ea6dc400d149ec15278
Animations are now only triggered when absolutely needed.
In addition, the notifications are now not clipped anymore when starting
a drag on them and the notification below the dragged one is fadded in if
necessary.
Change-Id: I80e8b3ea8fb48505edfb3cace6176dfa00c5a659
new shouldInterrupt logic: screen on, not locked, not dreaming, and
priority above HIGH and noisy, or has fullscreen intent
draft of API allowing devs to give hints about head up display
reuse inflateViews()
add an expand helper to the heads up space
move some things into Entry for reuse
don't allow touches in first second
delay decay if touched
make decay time a resource
add a custom viewgroup for notification rows to get view management
out of the NotificationData class.
Change-Id: I36464f110cfa0dabc3f35db7db6c35c27e8ee2ba
