RFR: 8302687 Implement interfaces and shared code for announcement feature [v2]

[Artem Semenov]

On Fri, 17 Mar 2023 19:41:42 GMT, Artem Semenov <asemenov at openjdk.org> wrote:

>> This enhancement covers basic API and shared code that should be implemented for the Accessibility Announcement feature.
>> 
>> CSR [JDK-8304499](https://bugs.openjdk.org/browse/JDK-8304499 "bugs.openjdk.org")
>> 
>> @mrserb @prrace @azuev-java please review
>
> Artem Semenov has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - update
>  - I suppose that adding @Native to AccessibleAnnouncer constants would simplify the code

Do not close this pull request.
@mrserb @prrace @azuev-java please review

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PR Comment: https://git.openjdk.org/jdk/pull/13001#issuecomment-1510402415