hg: jdk/jdk: 8203319: JDK-8201487 disabled too much queue balancing

[kim.barrett at oracle.com]

Changeset: bf7eb61349d2
Author:    kbarrett
Date:      2018-06-05 09:15 -0400
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/bf7eb61349d2

8203319: JDK-8201487 disabled too much queue balancing
Summary: Sometimes ignore ParallelRefProcBalancingEnabled.
Reviewed-by: tschatzl, sjohanss

! src/hotspot/share/gc/shared/referenceProcessor.cpp
! src/hotspot/share/gc/shared/referenceProcessor.hpp