RFR: 8257487: Include configuration name in summary

[Aleksey Shipilev]

On Tue, 1 Dec 2020 10:09:33 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> According to the enhancement request:
> 
> It would be nice and convenient to include the configuration name in the configuration summary, for example ("Name" being new):
> 
> Configuration summary:
> * Name: my-conf
> * Debug level: release
> * HS debug level: product
> * JVM variants: server
> ...

I was under impression it was printed already, but it is not! Current build only prints the configuration path in `build`, which you can derive the config name from it. Printing the configuration name explicitly would be a nice touch for sure. Looks good.

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Marked as reviewed by shade (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/1534