RFR: 8289612: Change hotspot/jtreg tests to not use Thread.stop

[Daniel D. Daugherty]

On Fri, 15 Jul 2022 00:11:16 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

> The tests are updated to don't use Thread.stop(). Tests whose intention is to verify async exception updated to use jvmti StopThread.

Just a few comments/observations.

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Changes requested by dcubed (Reviewer).

PR: https://git.openjdk.org/jdk/pull/9505