RFR: 8217857: ZGC: Move SvcGCMarker to ZServiceabilityTracer

[Erik Österlund]

+1

On 2019-01-28 10:00, Per Liden wrote:
> Move instanciation of SvcGCMarker to ZServiceabilityTracer, where it 
> belongs.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8217857
> Webrev: http://cr.openjdk.java.net/~pliden/8217857/webrev.0
> 
> /Per