[flexiglass] Adds CUI marker when locking and entering AOD

CUJ_SCREEN_OFF_SHOW_AOD

Fix: 387321763
Test: manually verified that the CUJ_SCREEN_OFF_SHOW_AOD is reported
when the display goes off and enters AOD at the same time
Flag: com.android.systemui.scene_container

Change-Id: I04411bcb3bf315437141334f676569c47d7b59d5