[flexiglass] Parameterize SharedNotificationContainerInteractorTest

Disable the #validateConfigValues() test, because it is testing a legacy code path.

Bug: 376236758
Test: atest SharedNotificationContainerInteractorTest
Flag: com.android.systemui.scene_container
Change-Id: I55641e1a4b163fac26f0a2fc369a0a3268ec34c6