hg: jdk-updates/jdk11u-dev: 8234742: Improve handshake logging

[martin.doerr at sap.com]

Changeset: 8821ab2da718
Author:    rehn
Date:      2019-12-04 11:57 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/8821ab2da718

8234742: Improve handshake logging
Reviewed-by: dholmes, pchilanomate

! src/hotspot/share/runtime/handshake.cpp
! src/hotspot/share/runtime/handshake.hpp
! src/hotspot/share/runtime/thread.hpp