Merge "[Flexiglass] offset NSSL drawbounds by its top margin" into main

        if (SceneContainerFlag.isUnexpectedlyInLegacyMode()) return;

        // The received drawBounds are relative to the Window, but NSSL  expects a rect relative to

        // its own position, so we need to offset it in case the NSSL has some horizontal margins.

        drawBounds.offset(-getX(), 0f);

        drawBounds.offset(-getX(), -getY());

        if (mAmbientState.getDrawBounds() != drawBounds) {

            mAmbientState.setDrawBounds(drawBounds);

            updateStackEndHeightAndStackHeight(mAmbientState.getExpansionFraction());