Merge branch '3.4.0' into 3.5.0

diff --cc Xamarin.Forms.Platform.Android/ViewRenderer.cs
Simple merge

diff --cc Xamarin.Forms.Platform.Android/VisualElementRenderer.cs
Simple merge

diff --cc Xamarin.Forms.Platform.Android/Xamarin.Forms.Platform.Android.csproj
index 638bc8b,162b607..0ba1e2e
--- 1/Xamarin.Forms.Platform.Android/Xamarin.Forms.Platform.Android.csproj
--- 2/Xamarin.Forms.Platform.Android/Xamarin.Forms.Platform.Android.csproj
+++ b/Xamarin.Forms.Platform.Android/Xamarin.Forms.Platform.Android.csproj
@@@ -306,11 -237,10 +306,12 @@@
      <Compile Include="Extensions\ImageViewExtensions.cs" />
      <Compile Include="Extensions\TextViewExtensions.cs" />
      <Compile Include="SwipeGestureHandler.cs" />
 +    <Compile Include="Extensions\AccessibilityExtensions.cs" />
 +    <Compile Include="Resources\Resource.Designer.cs" />
+     <Compile Include="Renderers\IPopupTrigger.cs" />
    </ItemGroup>
    <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.CSharp.targets" />
 -  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
 +  <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
         Other similar extension points exist, see Microsoft.Common.targets.
    <Target Name="BeforeBuild">
    </Target>