title: Contentview within horizontal listview not expanded
body: <p>I create dynamically horizon listview by listview rotation 270 degrees and contentview in datatemplate rotation 90 degrees but contentview doesn't expanded </p>
  
  <p>I have tried to set VerticalOptions="FillAndExpand" and  HorizontalOptions="FillAndExpand" and also tried to set RelativeLayout.WidthConstraint and RelativeLayout.HeightConstraint but it's doesn't work</p>
  
  <p><a href="https://i.stack.imgur.com/bBg9C.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/bBg9C.png" alt="that&#39;s i got"></a></p>
  
  <pre><code>&lt;RelativeLayout HeightRequest="40" BackgroundColor="Pink" VerticalOptions="FillAndExpand" HorizontalOptions="FillAndExpand"&gt;
                  &lt;ListView Rotation="270" x:Name="Horizonlist" ItemsSource="Hlist" RowHeight="130" SeparatorVisibility="Default" SeparatorColor="#EEEEEE" BackgroundColor="Gray"
                                            RelativeLayout.XConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=0.5, Constant=-15}"
                                            RelativeLayout.YConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=-0.5, Constant=15}"
                                            RelativeLayout.WidthConstraint="{ConstraintExpression Type=Constant, Constant=40}"
                                            RelativeLayout.HeightConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=1}" 
                                            CachingStrategy="RecycleElement"&gt;
                      &lt;ListView.ItemTemplate&gt;
                          &lt;DataTemplate&gt;
                              &lt;ViewCell&gt;
                                  &lt;ContentView Rotation="90" BackgroundColor="Blue" VerticalOptions="FillAndExpand" HorizontalOptions="FillAndExpand" HeightRequest="200" WidthRequest="200"&gt;
                                      &lt;StackLayout  Spacing="0" BackgroundColor="Green" Orientation="Vertical" HorizontalOptions="FillAndExpand" WidthRequest="200" HeightRequest="200"&gt;
                                              &lt;Label Rotation="0" Text="AAAAAAAAAAAAAA" WidthRequest="200" HeightRequest="200" VerticalOptions="FillAndExpand" HorizontalOptions="FillAndExpand" VerticalTextAlignment="Center"  TextColor="Black" BackgroundColor="Yellow"/&gt;
                                      &lt;/StackLayout&gt;
                                  &lt;/ContentView&gt;
                              &lt;/ViewCell&gt;
                          &lt;/DataTemplate&gt;
                      &lt;/ListView.ItemTemplate&gt;
                  &lt;/ListView&gt;
             &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>Expected layout
  <a href="https://i.stack.imgur.com/hHDZx.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/hHDZx.png" alt="Expected layout"></a></p>