[flexiglass] legacy flag assert in NSSLC#setHeadsUpBoundaries

Assertion is already present in the NSSL, this just adds some clarity.

Flag: com.android.systemui.scene_container DEVELOPMENT
Fixes: 347998600
Test: make
Change-Id: I7800413aaa47d7e5edbe752c7f6490c8a4b4a349

parent b1b7d01b

packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutController.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -1423,6 +1423,7 @@ public class NotificationStackScrollLayoutController implements Dumpable {
		}

		public void setHeadsUpBoundaries(int height, int bottomBarHeight) {
		SceneContainerFlag.assertInLegacyMode();
		mView.setHeadsUpBoundaries(height, bottomBarHeight);
		}