hg: jdk8u/jdk8u-dev/hotspot: 8031304: Add dcmd to print all loaded dynamic libraries.

[david.buck at oracle.com]

Changeset: d10254debf7c
Author:    dbuck
Date:      2017-12-21 19:11 -0500
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/d10254debf7c

8031304: Add dcmd to print all loaded dynamic libraries.
Summary: Adding VM.dynlibs as a dcmd to dump all loaded dynamic libraries.
Reviewed-by: fparain, mgronlun

! src/share/vm/services/diagnosticCommand.cpp
! src/share/vm/services/diagnosticCommand.hpp
! test/TEST.groups
+ test/serviceability/dcmd/DcmdUtil.java
+ test/serviceability/dcmd/DynLibDcmdTest.java