RFR: 8209125: ZGC: Clean up ZServiceabilityCounters

[Erik Österlund]

Hi Per,

Looks good.

Thanks,
/Erik

On 2018-08-08 14:14, Per Liden wrote:
> This patch does some minor cleanups and adjust some names in 
> ZServiceabilityCounters.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8209125
> Webrev: http://cr.openjdk.java.net/~pliden/8209125/webrev.0
>
> /Per