title: Could not find "fill parent" in Android Studio
body: <p>Hi I am following an android tutorial and i need to do fill parent.</p>
  
  <p>However, I didn't find it in the layout list. The only two options are "wrap content" and "match parent".</p>
  
  <p>I am using Android Studio 2.3.3 on MacBook Pro 2016.</p>
  
  <p>Hope someone could help how to set it to fill parent.</p>
  
  <p>Thanks!</p>