hg: shenandoah/jdk9/hotspot: Print the timings for conc bitmap cleaning.

[ashipile at redhat.com]

Changeset: 41f7a5c1a5a9
Author:    shade
Date:      2017-01-31 15:11 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/41f7a5c1a5a9

Print the timings for conc bitmap cleaning.

! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/vm_operations_shenandoah.cpp