title: Changing EditText's icon color on focus
body: <p>In the material design guidelines we can find the following:
  <a href="https://i.stack.imgur.com/mbptw.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/mbptw.png" alt="enter image description here"></a>
  An EditText with an icon that changes color on focus.</p>
  
  <p>Is it possible to achieve this behaviour with the built-in design support library 24.2.0? Is there a seamless attribute to get it done, something like the <code>app:passwordToggle</code> attributes ?</p>
  
  <p>Note that using EditText's <code>drawableStart</code> or <code>drawableLeft</code> attribute will make the icon appear on the bottom line of the EditText </p>
  
  <p><a href="https://i.stack.imgur.com/7DfOG.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/7DfOG.jpg" alt="enter image description here"></a></p>
  
  <p>and not outside of it as showcased on the material design guildelines (cf:First Picture)</p>