Fix KeyguardStatusBarViewModel to only use the new flow that tells us we are showing heads up status bar when the flag for that refactor is enabled.

Change-Id: I5dfbe10168db1c71720e70efeaa878c42aebba89
Fixes: 355367655
Flag: com.android.systemui.notifications_heads_up_refactor
Test: atest KeyguardStatusBarViewModelTest
1 file changed