hg: jdk9/hs/hotspot: 8155730: HeapInfoDCmd should get Heap_lock

[thomas.schatzl at oracle.com]

Changeset: a59a9a97bbda
Author:    ysuenaga
Date:      2016-06-21 09:19 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/a59a9a97bbda

8155730: HeapInfoDCmd should get Heap_lock
Reviewed-by: tschatzl, jprovino

! src/share/vm/memory/universe.cpp
! src/share/vm/services/diagnosticCommand.cpp
! src/share/vm/utilities/vmError.cpp