title: Android toolbar layout width and height getting changed automatically?
body: <p>I'm new to Android Studio and it is creating a lot of problem to me while setting my toolbar in and activity,the problem is whenever i change it layout width and height to the following</p>
  
  <p><strong><em>layout_width=match_parent</em></strong><br>
  <strong><em>layout_height=attr/actionBarsize</em></strong></p>
  
  <p>it is getting back to change to the following</p>
  
  <p><strong><em>layout_width=368dp</em></strong><br>
  <strong><em>layout_height=56dp</em></strong></p>
  
  <p>No matter how many times it tried to change it is giving me the same result again and again.</p>