RFR: 8190264: JScrollBar ignores its border when using macOS Mac OS X Aqua look and feel [v11]

[Victor Dyakov]

On Wed, 5 Jan 2022 16:58:53 GMT, Alisen Chung <achung at openjdk.org> wrote:

>> Adjusted the AquaLF scrollbar to account for border inset settings when dragging the thumb and clicking on the track.
>
> Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:
> 
>   added check for other L&Fs, added newline to test

@aivanov-jdk  @azuev-java please review

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PR: https://git.openjdk.java.net/jdk/pull/6374