hg: shenandoah/jdk: Rename "cancel_concgc" to "cancel_gc"

[ashipile at redhat.com]

Changeset: d136c3d3b5c7
Author:    shade
Date:      2018-05-16 08:44 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/d136c3d3b5c7

Rename "cancel_concgc" to "cancel_gc"

! src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.cpp
! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahControlThread.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp
! src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp
! src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp
! src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.inline.hpp