RFR: 8273853: Update the Java manpage for automatic CDS archive updating

[Calvin Cheung]

On Fri, 3 Jun 2022 20:45:24 GMT, Ioi Lam <iklam at openjdk.org> wrote:

> Added description of the new flag `-XX:+AutoCreateSharedArchive` to the `java` man page.

Marked as reviewed by ccheung (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/9024