Merge "[flexiglass] Only update the NSSL's HUN bounds when they're changing" into main

    @Override

    public void setHeadsUpTop(float headsUpTop) {

        if (SceneContainerFlag.isUnexpectedlyInLegacyMode()) return;

        if (mAmbientState.getHeadsUpTop() != headsUpTop) {

            mAmbientState.setHeadsUpTop(headsUpTop);

            requestChildrenUpdate();

        }

    }

    @Override

    public void setHeadsUpBottom(float headsUpBottom) {

        if (SceneContainerFlag.isUnexpectedlyInLegacyMode()) return;

        if (mAmbientState.getHeadsUpBottom() != headsUpBottom) {

            mAmbientState.setHeadsUpBottom(headsUpBottom);

            mStateAnimator.setHeadsUpAppearHeightBottom(Math.round(headsUpBottom));

        }

    }

    @Override

    public void closeGutsOnSceneTouch() {