hg: shenandoah/jdk9/hotspot: Print out garbage and cset data with -Xlog:gc+ergo.

[ashipile at redhat.com]

Changeset: e9b5ddec456d
Author:    shade
Date:      2017-03-24 20:24 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/e9b5ddec456d

Print out garbage and cset data with -Xlog:gc+ergo.

! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.cpp