RFR: 8308633: Increase precision of timestamps in g1 log [v2]

[Thomas Schatzl]

On Thu, 22 Jun 2023 13:49:07 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix gtests
>
> Marked as reviewed by ayang (Reviewer).

Thanks @albertnetymk @kimbarrett  for your reviews

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PR Comment: https://git.openjdk.org/jdk/pull/14594#issuecomment-1606903342