RFR: 8289098: clean up ported serviceability/jvmti tests

[Serguei Spitsyn]

On Fri, 24 Jun 2022 00:09:50 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

> The fix remove JCK-like run, NSK variables and LoadLibrary exception handling. The test behavior should remain the same.
> 
> The fix is split into several commits, which might be easier for review.

Looks good to me.
Thanks,
Serguei

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Marked as reviewed by sspitsyn (Reviewer).

PR: https://git.openjdk.org/jdk/pull/9267