RFR: 6913: Add daemon thread information to the console threads view [v3]

[Alex Macdonald]

On Mon, 19 Oct 2020 18:09:24 GMT, Jan S. <github.com+924885+jpstotz at openjdk.org> wrote:

>> I had an Java application which did not exit because of a non-daemon thread still running. Therefore I added a column
>> to the treads view that displays if a thread is a daemon thread or not.
>> oca: has been signed on 2019-01-17 (got positive response from Dalibor Topic on 2019-01-23).
>
> Jan S. has updated the pull request incrementally with one additional commit since the last revision:
> 
>   message text corrected as requested

Thanks, the changes look okay to me.

The PR will require at least one more review before it's formally approved and ready to integrate.

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Marked as reviewed by aptmac (Committer).

PR: https://git.openjdk.java.net/jmc/pull/110