hg: jdk9/hs-rt/hotspot: 8152300: Convert G1_ALLOC_REGION_TRACING to unified logging

[bengt.rutisson at oracle.com]

Changeset: 7ab7d8f8bbbf
Author:    brutisso
Date:      2016-03-22 13:41 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/7ab7d8f8bbbf

8152300: Convert G1_ALLOC_REGION_TRACING to unified logging
Reviewed-by: sjohanss, stefank

! src/share/vm/gc/g1/g1AllocRegion.cpp
! src/share/vm/gc/g1/g1AllocRegion.hpp
! src/share/vm/logging/logPrefix.hpp