[Android] Fix failing UITests (#356)

Xamarin.Forms.ControlGallery.Android/CustomRenderers.cs

@@ -16,6 +16,7 @@ using Android.Content;
 using Android.Runtime;
 using Android.Util;
 using AButton = Android.Widget.Button;
+using AView = Android.Views.View;
 using Android.OS;
 using System.Reflection;
 
@@ -44,7 +45,7 @@ namespace Xamarin.Forms.ControlGallery.Android
 			}
 
 			_page = newElement as MasterDetailPage;
-			_page.PropertyChanged += Page_PropertyChanged; 
+			_page.PropertyChanged += Page_PropertyChanged;
 			_page.LayoutChanged += Page_LayoutChanged;
 		}
 
@@ -416,10 +417,23 @@ namespace Xamarin.Forms.ControlGallery.Android
 			return view;
 		}
 	}
-	public abstract class CustomContentRenderer : ViewRenderer
+
+	[Preserve]
+	public class CustomContentRenderer : ViewRenderer
 	{
+		[Preserve]
+		public CustomContentRenderer()
+		{
+			AutoPackage = true;
+		}
+
+		protected override AView CreateNativeControl()
+		{
+			return new AView(Context);
+		}
 	}
 
+	[Preserve]
 	public class CustomNativeButton : AButton
 	{
 		public CustomNativeButton(IntPtr javaReference, JniHandleOwnership transfer) : base(javaReference, transfer)

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Bugzilla43161.cs

@@ -9,6 +9,7 @@ using NUnit.Framework;
 
 namespace Xamarin.Forms.Controls
 {
+
 	[Preserve(AllMembers = true)]
 	[Issue(IssueTracker.Bugzilla, 43161, "[iOS] Setting Accessory in ViewCellRenderer breaks layout", PlatformAffected.iOS)]
 	public class Bugzilla43161 : TestContentPage
@@ -51,7 +52,7 @@ namespace Xamarin.Forms.Controls
 			Content = new StackLayout { Children = { label, listView, listView2, listView3 } };
 		}
 
-#if UITEST
+#if (UITEST && __IOS__)
 		[Test]
 		public void Bugzilla43161Test()
 		{
@@ -61,4 +62,4 @@ namespace Xamarin.Forms.Controls
 		}
 #endif
 	}
-}
+}