Launcher state management cleanup

> Removing Widgets and related states
> Fixing different durations being used when opening/closing all-apps
> Removing some unnecessary object allocations when changing state without animation
> Differentiating widget bootm sheel and full sheet in logs

Bug: 67678570
Change-Id: Ic169528736d04ee0b38564b4f96595ba066eabda
24 files changed