[Dual Shade] Fix StatusBarStateControllerImplTest for Dual Shade on.

This ensures these unit tests do not fail when Dual Shade is the default
shade experience in scene container.

Bug: 376411622
Test: Updated unit tests.
Flag: com.android.systemui.scene_container
Change-Id: Iba108f0d8ef5f76af754ea2a7f8815f2b7f0cc60