title: how to keep RecyclerView always scroll bottom
body: <p>I Use Recyclerview Replace with list view
  I want to keep Recyclerview always scroll bottom.</p>
  
  <p>ListView can use this method <code>setTranscriptMode(AbsListView.TRANSCRIPT_MODE_ALWAYS_SCROLL)</code></p>
  
  <p>RecyclerView I use method <code>smoothScrollToPosition(myAdapter.getItemCount() - 1)</code> </p>
  
  <p>but when Soft keyboard Pop ,its replace RecyclerView content.</p>