RFR: 8293667: Align jlink's --compress option with jmod's --compress option

[Alan Bateman]

On Fri, 9 Dec 2022 21:42:15 GMT, Ian Graves <igraves at openjdk.org> wrote:

> This is an approach to adding a flag to jlink that will allow --compress to take the same types of arguments as jmod, thus bringing the two into alignment. This likely requires a CSR and a discussion on whether we should deprecate or simply remove the original numeric compression arguments.

I skimmed through this (not a detailed review) and I think it's mostly okay. It's --compress 0 and 2 that should be listed as deprecated as --compress 1 is string sharing rather than zip compression.

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PR: https://git.openjdk.org/jdk/pull/11617