Adds support for the in-window unlock animation to the Keyguard refactor.

When the flag is enabled, this swaps out the KeyguardUnlockAnimationController
in OverviewProxyService and replaces it with the
InWindowLauncherUnlockAnimationManager, which exclusively collects state from
the new flows.

Bug: 293894758
Test: unlock a lot
Test: atest SystemUITests
Flag: keyguard_wm_state_refactor
Change-Id: I17f8d18144d6bfa0d9dd507a6b041be988fc3c16