RFR: 8266130: convert Thread-SMR stress tests from counter based to time based [v3]

[Daniel D.Daugherty]

On Wed, 9 Jun 2021 01:51:59 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:
>> 
>>   ProblemList vmTestbase/nsk/jvmti/SuspendThread/suspendthrd003/TestDescription.java until 8264605 is fixed and vmTestbase/nsk/jvmti/PopFrame/popframe011/TestDescription.java until 8266593 is fixed.
>
> Hi Dan,
> 
> This all seems okay. Sorry it took so long to get to it.
> 
> Note: All the usage() calls are indented incorrectly.
> 
> Thanks,
> David

@dholmes-ora - Thanks for the review! I fixed the indent on the usage() calls.

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PR: https://git.openjdk.java.net/jdk/pull/4237