RFR: 8269638: Property methods, setters, and getters in printing API should be final

[Phil Race]

On Mon, 12 Jul 2021 18:50:34 GMT, Phil Race <prr at openjdk.org> wrote:

> - Make various setters and getters and properties final as needed
> - Move documentation to the property so the setters and getters inherit it, with an exception for the special case of JobSettings.setPageRanges()
> - Override toString() on the properties in JobSettings so it doesn't delegate to the JobSettings class.
> - Add a manual test program just so you can see what toString() does. No pass or fail, just informative.
> 
> This will need a CSR but I won't create that until the review is done.

fixed all the above and uploaded new commit

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PR: https://git.openjdk.java.net/jfx/pull/574