hg: shenandoah/jdk9/hotspot: Print more details for weak ref and class unloading stats

[ashipile at redhat.com]

Changeset: 300d4921e9db
Author:    shade
Date:      2017-05-29 20:35 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/300d4921e9db

Print more details for weak ref and class unloading stats

! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.cpp
! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.hpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.hpp