RFR: 8246112: Remove build-time and run-time checks for clock_gettime and CLOCK_MONOTONIC [v5]

[Thomas Stuefe]

On Fri, 22 Jan 2021 16:17:57 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

>> David Holmes has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove the always true os::supports_monotonic_clock()
>
> Hi David,
> The changes look good.  Just a couple of nits.
> 1. Could you add a comment explaining why AIX and BSD have their own version of javaTimeNanos_info().
> 2. A few copyrights need to be updated to 2021.
> Thanks, Harold

I don't see any new issues on AIX in our tests with this patch. Thanks for waiting!

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PR: https://git.openjdk.java.net/jdk/pull/2090