[SB] Add more logs around status bar visibility.

Bug: 412724385
Flag: com.android.systemui.status_bar_root_modernization
Test: Verify status bar correctly hides on lockscreen, shows on
homescreen, hides on secure camera launch. Verify log statements during
those transitions
Test: atest HomeStatusBarViewModelImplTest KeyguardInteractorTest

Change-Id: Ief4acc64ef7338cabecda84118eaf767db29b180