Merge "[Flexiglass] Draw NSSL debug lines for positions driven by placeholders" into main

        int y = 0;

        drawDebugInfo(canvas, y, Color.RED, /* label= */ "y = " + y);

        if (SceneContainerFlag.isEnabled()) {

            y = (int) mScrollViewFields.getStackTop();

            drawDebugInfo(canvas, y, Color.RED, /* label= */ "getStackTop() = " + y);

            y = (int) mScrollViewFields.getStackBottom();

            drawDebugInfo(canvas, y, Color.MAGENTA, /* label= */ "getStackBottom() = " + y);

            y = (int) mScrollViewFields.getHeadsUpTop();

            drawDebugInfo(canvas, y, Color.GREEN, /* label= */ "getHeadsUpTop() = " + y);

            y += getTopHeadsUpHeight();

            drawDebugInfo(canvas, y, Color.BLUE,

                    /* label= */ "getHeadsUpTop() + getTopHeadsUpHeight() = " + y);

            return; // the rest of the fields are not important in Flexiglass

        }

        y = getTopPadding();

        drawDebugInfo(canvas, y, Color.RED, /* label= */ "getTopPadding() = " + y);