Transition to hub from screen off when applicable.

This change fixes the dream->off->hub transition so that hub appears
instead of lockscreen on power on.

Bug: 339315487
Flag: com.android.systemui.communal_hub
Test: atest CommunalSceneStartableTest
Test: atest FromDozingTransitionInteractorTest

Change-Id: Ie3c41f68dcdfa9d40552cbc830ad25fc6332b52c