RFR: 8283222: improve diagnosability of runtime/8176717/TestInheritFD.java timeouts

[Daniel D.Daugherty]

On Wed, 23 Mar 2022 17:45:26 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

>> While working on the following bug:
>> 
>>     [JDK-8282321](https://bugs.openjdk.java.net/browse/JDK-8282321) runtime/8176717/TestInheritFD.java times out during stress testing
>> 
>> I've made changes to the test to improve the diagnostics when test failures occur.
>
> The changes look good.  They should help diagnose the occasion hangs.
> Thanks, Harold

@hseigel - Thanks for the review!

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PR: https://git.openjdk.java.net/jdk/pull/7828