hg: jdk9/hs-rt/hotspot: 8153117: Back out JDK-8142935 until JDK-8152723 fixed

[jesper.wilhelmsson at oracle.com]

Changeset: 16098172056c
Author:    tbenson
Date:      2016-04-05 11:17 -0400
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/16098172056c

8153117: Back out JDK-8142935 until JDK-8152723 fixed
Summary: JDK-8142935 fix can lead to avoidable Full GCs
Reviewed-by: jwilhelm, tschatzl
Contributed-by: tom.benson at oracle.com

! src/share/vm/gc/g1/g1CollectionSet.cpp
! src/share/vm/gc/g1/g1CollectionSet.hpp
! src/share/vm/gc/g1/g1CollectorPolicy.cpp
! src/share/vm/gc/g1/g1CollectorPolicy.hpp