worlddump: Add cinder-volume guru meditation report

cinder also supports GMR, it would be good
to have this when debugging gate failures.

Change-Id: I4db6dfd810d011faaca084e0dacaec4031b2a4ff
diff --git a/tools/worlddump.py b/tools/worlddump.py
index e1ef544..1ce931e 100755
--- a/tools/worlddump.py
+++ b/tools/worlddump.py
@@ -34,6 +34,7 @@
     'neutron-linuxbridge-agent',
     'neutron-metadata-agent',
     'neutron-openvswitch-agent',
+    'cinder-volume',
 )