- fix test failures that was already there but now are
   more consistent when the 1 second sleep has been removed from
   ndb_waiter


mysql-test/t/ndb_autodiscover.test:
  Wait until mysqld has reconnected to ndbd after ndbd has been restarted
mysql-test/t/ndb_autodiscover3.test:
  Wait until mysqld has reconnected to ndbd after ndbd has been restarted
mysql-test/include/ndb_wait_connected.inc:
  Wait until mysqld has reconnected to ndbd after ndbd has been restarted