title: Is observeOn requried for livedata postvalue?
body: <p>Is observe on part required in this case or posting value in livedata is itself enough for it to be processed correctly.</p>
  
  <pre><code>method()
    .subscribeOn(Schedulers.io())
    .observeOn(AndroidSchedulers.mainThread())
    .subscribe(
       { liveData.postValue(it) },
       { Timber.e(it) }
    )
  </code></pre>