RFR: 8309733: [macOS, Accessibility] VoiceOver: Incorrect announcements of JRadioButton

[Abhishek Kumar]

On Wed, 21 Jun 2023 20:37:01 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

> Only pass value changed event to the native accessibility peer when the value is actually changed. While at fixing it for RadioButton also fixing it for checkbox and toggle button so there is no need to re-visit this file later.
> Also updating the copyright year.

Marked as reviewed by abhiscxk (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/14605#pullrequestreview-1493554726