title: android code to merge two videos side by side and make it as one video(want only one audio)
body: <p>Any one can help me! 
  I have two videos.
  I want to merge as one video(side by side) and i need to display side by side and also i don't want to merge two audio. </p>
  
  <p>I want only one audio.So now i want sample codes or reference for video merging code</p>