Update the docs to clarify the ordering constraints.

    /**

     * Returns technologies present in the tag that this implementation understands,

     * or a zero length array if there are no supported technologies on this tag.

     *

     * The elements of the list are guaranteed be one of the constants defined in

     * {@link TagTechnology}. 

     *

     * The ordering of the returned array is undefined and should not be relied upon.

     */

    public int[] getTechnologyList() { 

        return Arrays.copyOf(mTechList, mTechList.length);