Update _3gpp-common-managed-function.yang

  import _3gpp-common-top { prefix top3gpp; }

  import _3gpp-common-measurements { prefix meas3gpp; }

  import _3gpp-common-trace { prefix trace3gpp; }

  import _3gpp-5gc-nrm-configurable5qiset { prefix 5qi3gpp; }

  import _3gpp-5gc-nrm-configurable5qiset { prefix fiveqi3gpp; }

  organization "3GPP SA5";

  contact "https://www.3gpp.org/DynaReport/TSG-WG--S5--officials.htm?Itemid=464";

      if-feature TraceUnderManagedFunction ;

    }

    uses 5qi3gpp:Configurable5QISetSubtree;

    uses fiveqi3gpp:configurable5qiset;

  }

}