hg: shenandoah/jdk10/hotspot: Make Shenandoah SATB mutex ranks consistent with G1.

[roman at kennke.org]

Changeset: dca8cd877e02
Author:    rkennke
Date:      2017-09-27 16:35 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/hotspot/rev/dca8cd877e02

Make Shenandoah SATB mutex ranks consistent with G1.

! src/share/vm/runtime/mutexLocker.cpp