RFR: 8349771: Replace usages of -mx and -ms in some monitor tests [v2]

[David Holmes]

On Tue, 11 Feb 2025 09:33:26 GMT, SendaoYan <syan at openjdk.org> wrote:

>> Hi all,
>> This PR updates two runtime/Monitor tests to replace the usage of the outdated `-mx` and `-ms` java launcher options with `-Xmx` and `-Xms`.
>> 
>> As noted in [JDK-8349771](https://bugs.openjdk.org/browse/JDK-8349771), these outdated options will soon be deprecated for removal from the java launcher code.
>> 
>> Change has been verified locally, test-fix only, no risk.
>
> SendaoYan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add missing comma in file header

LGTM2. I was waiting for the comma fix. :)

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23553#pullrequestreview-2608520525