closeHangingKeyCombination(keyName, recordIndex) {
    this.focusOnlyEventStrategy.closeHangingKeyCombination(keyName, recordIndex);
  }
Closes any hanging key combinations that have not received the key event indicated
by recordIndex.
@param {KeyName} keyName The name of the key whose state should be updated if it
       is currently set to keydown or keypress.
@param {KeyEventType} recordIndex Index of key event to move the key state
       up to.