Scale rpcsvc_request_handler threads to match the scaling of event handler threads. Please refer to https://bugzilla.redhat.com/show_bug.cgi?id=1467614#c51 for a discussion about why we need multi-threaded rpcsvc request handlers. Change-Id: Ib6838fb8b928e15602a3d36fd66b7ba08999430b Signed-off-by: Milind Changire <mchangir@redhat.com>