[flexiglass] Adds display cutout to the statusbar section.

This makes the status bar view not render over the camera display
cutout.

Fix: 330483078
Test: manually verified that a long "NO SIM - Emerency calls only" no
longer collides with the camera cutout.
Flag: ACONFIG com.android.systemui.scene_container DEVELOPMENT

Change-Id: I7d1a3012678d5f80b40ae4fa3ef6bb38b1777585