Add support for custom lifecycle manager to PerDisplayRepository

This allows to have custom policies to clean up instances based on other signals (e.g. display having screen decorations)

Tests are still in SystemUI to use kosmos.

Bug: 362719719
Bug: 401305290
Test: PerDisplayInstanceRepositoryImplTest
Flag: NONE - adding a functionality to the lib, but not using it yet.
Change-Id: I36ee4fdb5da5e3d505323f640782c1c3daf4dedc