SERVER-8707 Sleep 10 seconds before entering ReplicaSetMonitorWatcher…

…'s loop

This restores the startup timing that was changed by commit
e3b8349, while preserving the
smaller time window within the loop between checking for
termination and calling ReplicaSetMonitor::checkAll().

src/mongo/client/dbclient_rs.cpp

@@ -82,6 +82,7 @@ namespace mongo {
     protected:
         void run() {
             log() << "starting" << endl;
+            sleepsecs( 10 );
             while ( !inShutdown() && !StaticObserver::_destroyingStatics ) {
                 try {
                     ReplicaSetMonitor::checkAll();