title: Why AndroidAssetStudio generate my icon with different size unnormally?
body: <p>My source icon was like below.
  <img src="https://i.stack.imgur.com/kGZit.png" alt="enter image description here"></p>
  
  <p>Than I want to get the different size of this image using AndroidAssetStudio Launcher Icon Generator.
  But what I got was like below. The image was added the white edge that was annoying. How can get the normal image with different size. thanks.</p>
  
  <p><img src="https://i.stack.imgur.com/GQ3HU.png" alt="enter image description here"></p>