RFR: 8290391: Reduce runtime of java.util package microbenchmarks [v2]

[Eric Caspole]

On Mon, 18 Jul 2022 17:11:08 GMT, Eric Caspole <ecaspole at openjdk.org> wrote:

>> Adds Warmup, Measurement and Fork annotations to reduce the run time from 1 day 16 hours to 8 hours for this set.
>
> Eric Caspole has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Apply @cl4es comments

I applied Claes comments in the last push.

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PR: https://git.openjdk.org/jdk/pull/9523