We use this flag to prevent the depth from being immediately set to 0 when
preparing to animate home.
Bug: 152327671
Change-Id: I614c6ae08b9f9e56ecb94fb51748791a38504583
Using PendingAnimation for animation builder.
This will allow us to easily add SpringAnimation to stateAnimation
Change-Id: I8d88489a5da6fc85747ef9be7c13858b441cd28a