RFR: JDK-8325496: Make TrimNativeHeapInterval a product switch [v2]

[David Holmes]

On Fri, 16 Feb 2024 05:41:07 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> [JDK-8293114](https://bugs.openjdk.org/browse/JDK-8293114) introduced automatic C-heap trimming, for now supported only by the glibc. It is controlled by the command line switch `TrimNativeHeapInterval`. The feature has proven very valuable to customers, and all issues have been ironed out. So, I'd like to make this switch a non-experimental product switch.
>
> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Feedback David

Looks good. Thanks. I will prepare the update for the manpage sources on Monday.

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17799#pullrequestreview-1884419767