RFR: 8301302: Platform preferences API [v11]

[Andy Goryachev]

On Wed, 6 Sep 2023 19:14:55 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

>> Please read [this document](https://gist.github.com/mstr2/9f46f92c98d3c86aa6a0b4224a9a6548) for an introduction to the Platform Preferences API, and how it interacts with the proposed style theme and stage appearance features.
>
> Michael Strauß has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fire only a single invalidation event

looking good 🕶 (with a minor change requested).

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Marked as reviewed by angorya (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/1014#pullrequestreview-1614131903