RFR: 8291418: adjust monitor deflation logging and deflate_idle_monitors use

[Daniel D. Daugherty]

On Tue, 22 Nov 2022 23:58:59 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Trivial fixes to monitor deflation logging and deflate_idle_monitors use.
>
> This seems reasonable.
> 
> Just an observation on the pre-existing logic ... it is interesting that logging has a side-effect of deflating idle monitors. If someone was encountering a problem due to too many inflated monitors and turned on logging to try and show them why, the problem might disappear and the logging would be ineffective in aiding in tracking down the problem.

@dholmes-ora, @tstuefe and @pchilano - Thanks for the reviews!

Sorry for the delay in getting back to this review. I had an over abundance of
CI/GK work to do before the holiday break and I just finished getting caught
up after the holiday break.

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PR: https://git.openjdk.org/jdk/pull/11293