hg: shenandoah/jdk: Adjust SA to reflect recent changes on JVM side

[zgu at redhat.com]

Changeset: c0d3bdeb03ed
Author:    zgu
Date:      2018-11-22 17:28 -0500
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/c0d3bdeb03ed

Adjust SA to reflect recent changes on JVM side

! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/CollectedHeap.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shenandoah/ShenandoahHeap.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/ObjectHeap.java