RFR: 8295717: Minimize disabled warnings in accessibility native code

[Erik Joelsson]

On Thu, 20 Oct 2022 10:24:28 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> After JDK-8294281, it is now possible to disable warnings for individual files instead for whole libraries. I used this opportunity to go through all disabled warnings in the accessibility native code.
> 
> Any warnings that were only triggered in a few files were removed from the library as a whole, and changed to be only disabled for those files.

Marked as reviewed by erikj (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/10788