hg: shenandoah/jdk: Restore heap occupancy in GC logs after JFR changes

[shade at redhat.com]

Changeset: dc066ab8e449
Author:    shade
Date:      2018-08-29 18:34 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/dc066ab8e449

Restore heap occupancy in GC logs after JFR changes

! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp