RFR: 8344077: Remove security manager dependency in java.io [v4]

[Brian Burkhalter]

On Tue, 19 Nov 2024 16:53:27 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Expunge the use of the `SecurityManager`, `AccessController`, and the like from the `java.io` package.
>
> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8344446: Address reviewer comments

Thanks, everyone, for the comments and reviews. I will integrate once this has cleared tier 1-3 testing.

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PR Comment: https://git.openjdk.org/jdk/pull/22219#issuecomment-2486272068