owner method
Implementation
LiveData<T> owner(LifeCycleOwner lifeCycleOwner) {
logger.i('${Logger.tag('[LIVEDATA${name == null ? '' : ': $name'}]')} '
'subscribe on lifeCycleOwner: $lifeCycleOwner');
_lifeCycleObserver = lifeCycleOwner;
_lifeCycleObserver?.observeLiveData<T>(this);
return this;
}