title: Rename package com.abb.acc to com.abb.acc.add
body: <p>I want to rename package name  from <strong>com.abb.acc</strong> to <strong>com.abb.acc.add</strong> (Android Studio).</p>
  
  <p>Right click ----> New -----> Package, it create folder out side the file</p>
  
  <p>expecting get result like - package <strong>com.abb.acc.add</strong></p>