RFR: JDK-8293450 Convert test/sun/management/ shell tests to Java version [v2]

[Bill Huang]

On Tue, 8 Nov 2022 18:20:34 GMT, Bill Huang <bhuang at openjdk.org> wrote:

>> There is no new changes in the open portion of JDK, but extracting common functionalities in bootstrap Utils to test/lib/Utils which can be used in the closed part.
>
> Bill Huang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Implemented review comments.

It seems there is an integration issue with this PR as the JBS ticket is marked as confidential. I will open a new ticket for this change.

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PR: https://git.openjdk.org/jdk/pull/11029