hg: shenandoah/jdk: Adjust worker threads according to refproc-ergo decisions

[roman at kennke.org]

Changeset: 79181eb9f86a
Author:    rkennke
Date:      2018-06-25 16:21 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/79181eb9f86a

Adjust worker threads according to refproc-ergo decisions

! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp