RFR: 8265153: add time based test for ThreadMXBean.getThreadInfo() and ThreadInfo.getLockOwnerName() [v4]

[Daniel D.Daugherty]

On Wed, 28 Apr 2021 13:03:15 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Daniel D. Daugherty has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove unnecessary "@library /test/lib".
>
> HI Dan,
> 
> Some minor comments, but to be frank I have no idea what this test is actually doing - sorry.
> 
> Cheers,
> David

@dholmes-ora also sent the comment in email but it didn't seem to
show up in this PR:

> Hmmm... this is a legacy style/approach that is not necessary any more.
> If the test fails it should throw an exception from the main thread and
> that will produce a non-zero exit value. I think seeing this legacy style in
> new tests will just confuse people. 

I agree. In particular this legacy style approach with exit_delta == 95 is
for VMTestbase tests and this new test is not part of the VMTestbase
test suite. I'm fixing this.

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PR: https://git.openjdk.java.net/jdk/pull/3478