Nudge immediately when we reach a breakpoint

With the last change, the velocity might have been absorbed in
`calculateUpdatedState` already, especially with a stiff spring. Now,
folding that together with the first delta animation nudge.

Bug: 416691631
Test: Unit tests
Flag: com.android.systemui.scene_container
Change-Id: I7f11ea70f6eb71951335f9b100e46fba75e29b9a
13 files changed