RFR: JDK-8325496: Make TrimNativeHeapInterval a product switch

[Thomas Stuefe]

On Sat, 10 Feb 2024 09:57:56 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.

Ping @dholmes-ora

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PR Comment: https://git.openjdk.org/jdk/pull/17799#issuecomment-1938283776