title: CollapsingToolbarLayout title as a shared element transition
body: <p>I have a <code>TextView</code> in my activity A. How can I make shared element transition of <code>TextView</code> from activity A and a title of <code>CollapsingToolbarLayout.setTitle()</code> from activity B?</p>
  
  <p>Is there way to obtain its title view <code>id</code> from <code>CollapsingToolbarLayout</code>'s source code?</p>
  
  <p>Thanks for help!</p>