[flexiglass] Fix AmbientCueInteractorTest failures with SceneContainerFlag

Also parameterized the test with the flexiglass flag.

Bug: 425347374
Flag: com.android.systemui.scene_container
Test: com.android.systemui.ambientcue.domain.interactor.AmbientCueInteractorTest
Change-Id: I5c01b70c3313996a8cade5d7d8430d8b0050a729