Add ViewCompatUtils.setElevation

    private static final Method METHOD_setPaddingRelative = CompatUtils.getMethod(

            View.class, "setPaddingRelative",

            int.class, int.class, int.class, int.class);

    // Note that View.setElevation(float) has been introduced in API level 21.

    private static final Method METHOD_setElevation = CompatUtils.getMethod(

            View.class, "setElevation", float.class);

    private ViewCompatUtils() {

        // This utility class is not publicly instantiable.

        }

        CompatUtils.invoke(view, null, METHOD_setPaddingRelative, start, top, end, bottom);

    }

    public static void setElevation(final View view, final float elevation) {

        if (METHOD_setElevation == null) {

            return;

        }

        CompatUtils.invoke(view, null, METHOD_setElevation, elevation);

    }

}