RFR: 8274: Add thread counts to the Java Application page [v2]

[Marcus Hirt]

On Mon, 4 Nov 2024 23:41:47 GMT, Marcus Hirt <hirt at openjdk.org> wrote:

>> Added all of them, but perhaps only having active and daemon would be good enough.
>
> Marcus Hirt has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Localization and non-filled line graphs

Rebased from master to make copyright script happy.

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PR Comment: https://git.openjdk.org/jmc/pull/600#issuecomment-2457736882