hg: jdk9/hs-rt/hotspot: 8147388: Add diagnostic commands to attach JVMTI agent.

[jaroslav.bachorik at oracle.com]

Changeset: c364db766187
Author:    ysuenaga
Date:      2016-02-18 23:26 +0900
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/c364db766187

8147388: Add diagnostic commands to attach JVMTI agent.
Reviewed-by: jbachorik, sspitsyn

! src/share/vm/prims/jvmtiExport.cpp
! src/share/vm/prims/jvmtiExport.hpp
! src/share/vm/services/diagnosticCommand.cpp
! src/share/vm/services/diagnosticCommand.hpp
+ test/serviceability/dcmd/jvmti/LoadAgentDcmdTest.java
+ test/serviceability/dcmd/jvmti/LoadJavaAgentDcmdTest.java
+ test/serviceability/dcmd/jvmti/SimpleJvmtiAgent.java