RFR: 8329178: Clean up jdk.accessibility native compilation [v2]

[Erik Joelsson]

On Wed, 27 Mar 2024 18:20:47 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> This is a follow-up on JDK-8328680, making the same kind of cleanup to jdk.accessibility. The code here needed more work than for the other modules, so I wanted have it in a separate PR to get a more thorough review.
>
> Magnus Ihse Bursie has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix incorrect indentation

Marked as reviewed by erikj (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/18510#pullrequestreview-1964580450