RFR: 8276766: Enable jar and jmod to produce deterministic timestamped content [v20]

[Andrew Leonard]

On Fri, 10 Dec 2021 17:20:40 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> @LanceAndersen let me know if mach5 looks good please, then I think we're good to go..
>
> @andrew-m-leonard if this enhancement is now intended to go into JDK 19, then you can simply integrate it into jdk mainline when it is ready. In that case, the fix version of the [CSR](https://bugs.openjdk.java.net/browse/JDK-8277755) should be adjusted to 19 to match.
> 
> If, however, you would still like to get it into JDK 18, you will need to make a late enhancement request per [JEP 3](https://openjdk.java.net/jeps/3), and then recreate this PR against the jdk18 stabilization repo.

@kevinrushforth fyi: https://bugs.openjdk.java.net/issues/?filter=33407

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PR: https://git.openjdk.java.net/jdk/pull/6481