report erlang rss with expected process name

Change-Id: I3e840ffb37bc2dc12d289e02687c90d93654b52a
Reviewed-on: http://review.couchbase.org/42811
Reviewed-by: Venu Uppalapati <venumahesh@gmail.com>
Tested-by: Venu Uppalapati <venumahesh@gmail.com>