Move most SceneFrameworkIntegrationTest state to Kosmos

This simplifies the logic by removing the need for lazy
in most places, and also should make many of the state methods
more reusable, since they only depend on a single Kosmos for
state

Bug: 353687680
Test: local deviceless
Flag: TEST_ONLY
Change-Id: Ibec38154b0eb593acd0067d9e22cd9a882849043