title: CoordinatorLayout with two floating action buttons
body: <p>I have two Fabs located inside a CoordinateLayout view. When I show a Snackbar, I expect the two Fabs go up all together, but the result is that only one of the Fab (lower one) responds and go up (see picture). what do I miss here?</p>
  
  <p>berfore <a href="https://i.stack.imgur.com/dajzgm.png" rel="noreferrer"><img src="https://i.stack.imgur.com/dajzgm.png" alt="enter image description here"></a>
  after <a href="https://i.stack.imgur.com/fycQEm.png" rel="noreferrer"><img src="https://i.stack.imgur.com/fycQEm.png" alt="enter image description here"></a></p>
  
  <p>Calling snack bar</p>
  
  <pre><code> mSnackbar = Snackbar.make(getActivity().findViewById(R.id.coords_wrapper), "Loading", 1000000000);   
  </code></pre>
  
  <p>XML</p>
  
  <pre><code>&lt;android.support.design.widget.CoordinatorLayout
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:id="@+id/coords_wrapper"&gt;
  
      &lt;!-- main contents here, left out --&gt;
      &lt;Relativelayout ...... /&gt;
  
      &lt;android.support.design.widget.FloatingActionButton
          android:id="@+id/action_button_location"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:src ="@drawable/ic_add_black"
          android:layout_gravity="right|bottom"
          android:layout_marginBottom="82dp"
          android:layout_marginRight="16dp"
          app:borderWidth="0dp"
          app:elevation="6dp"
          /&gt;
  
      &lt;android.support.design.widget.FloatingActionButton
          android:id="@+id/action_button_filter"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:src ="@drawable/ic_add_black"
          android:layout_gravity="right|bottom"
          android:layout_margin="16dp"
          app:borderWidth="0dp"
          app:elevation="6dp"
          /&gt;
  &lt;/android.support.design.widget.CoordinatorLayout&gt;
  </code></pre>