RFR: 8263097: Update JMH devkit to 1.28 [v2]

Mon Mar 8 14:26:07 UTC 2021

On Mon, 8 Mar 2021 14:18:27 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

>> Claes Redestad has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Keep jib-profiles in sync
>
> Marked as reviewed by erikj (Reviewer).

Thank you for reviewing, Eric and Erik!

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PR: https://git.openjdk.java.net/jdk/pull/2848