hg: jdk9/hs-rt/hotspot: 8150026: Add the ability to log with variable log level

[marcus.larsson at oracle.com]

Changeset: 1bff1b586886
Author:    rehn
Date:      2016-02-26 10:51 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/1bff1b586886

8150026: Add the ability to log with variable log level
Reviewed-by: brutisso, mlarsson

! src/share/vm/logging/log.hpp