Support GONE->OCCLUDED

This can happen on foldables when in an active phone
call in an unfolded state, and the user folds the
device AND has the setting to put the device on
an unlocked keyguard

Fixes: 356559275
Test: atest KeyguardTransitionScenariosTest
Flag: com.android.systemui.migrate_clocks_to_blueprint

Change-Id: Icdb4dad9691c1b67acaae2316447163eecd0074e