RFR: 8344078: Remove security manager dependency in java.nio [v3]

[Alan Bateman]

On Sat, 16 Nov 2024 00:33:13 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Expunge the use of the `SecurityManager`, `AccessController`, and the like from the `java.nio` and `sun.nio` package hierarchies.
>
> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8344078: Address reviewer comments

src/java.base/share/classes/sun/nio/fs/AbstractPoller.java line 62:

> 60:                                 false);
> 61:         thr.setDaemon(true);
> 62:         thr.start();

Not for this PR but we should replace this with an InnocuousThread at some point.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22132#discussion_r1844941191