View layer was only being used when fading in/out hotseat in overview.
From API 21+, android automatically create layers when animating alpha
The current support for view layers does not work properly when cancelling
animations and controlling partial animations
Change-Id: I2d5785471af9819575beefe65f1f2bdd28c76bd5
> Using workspace scale and translation for all-apps
> Without quickstep, workspace has the parallex effect as before
> With quickstep, workspace scales down to match the recents card width
> Using a single animator for recents views in case of state transtion and
controlled transition to prevent going into inconsistant state.
Change-Id: I1864de6892052ca771f4d0062e3d60c28840a72d
> Creating ShareHandlers for managing UI
> In normal build, hotseat is hidden in overview, while in QuickStepBuild, it is visible
Change-Id: I5f8d35c75b861d912d93fce186b5dd74106184c3
> Separating all-apps transtions control and vertical shift touch handling
> Creating separate spring handler for search box (to avoid adding and removing spring)
> Driving all-apps vertical shift using state AnimatorSet
Bug: 67678570
Change-Id: I3b6a4d1f43275a5f485b399444742b6b9a8c4bb9
Sunny Goyal
Jon Miranda