title: Nested Constraint Layout ignores outer constraints
body: <p>at the moment I'm trying to nest two Constraint Layouts in each other. For that I use the <code>&lt;include/&gt;</code> tag. What I see there is that the inner Constraint Layout ignores every constraints from the outer Constraint Layout. For making that more visible I draw a border around the inner Constraint Layout:</p>
  
  <p><a href="https://i.stack.imgur.com/QDDqL.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/QDDqL.png" alt="enter image description here"></a></p>
  
  <p>For trying that stuff I use the <code>com.android.support.constraint:constraint-layout:1.0.0-alpha3</code>.</p>
  
  <p>My Question is now: did I do something wrong or is it even a bug from the alpha version?</p>