RFR: 8301570: Test runtime/jni/nativeStack/ needs to detach the native thread

[Calvin Cheung]

On Wed, 1 Feb 2023 02:47:48 GMT, David Holmes <dholmes at openjdk.org> wrote:

> Please review this simple fix to a test to detach the native thread that we created and attached. Failing to do so can cause problems on some platforms.
> 
> Thanks.
> 
> Testing: itself, tiers 1-3 sanity

LGTM

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Marked as reviewed by ccheung (Reviewer).

PR: https://git.openjdk.org/jdk/pull/12357