[iOS] Export MDP tablet renderer fixes #2630 (#2701)

Xamarin.Forms.Platform.iOS/Properties/AssemblyInfo.cs

@@ -48,9 +48,10 @@ using UIKit;
 [assembly: ExportRenderer(typeof(CarouselPage), typeof(CarouselPageRenderer))]
 [assembly: ExportRenderer(typeof(Page), typeof(PageRenderer))]
 [assembly: ExportRenderer(typeof(MasterDetailPage), typeof(PhoneMasterDetailRenderer), UIUserInterfaceIdiom.Phone)]
-[assembly: ExportRenderer(typeof(MasterDetailPage), typeof(TabletMasterDetailRenderer), UIUserInterfaceIdiom.Pad)]
 #endif
 
+[assembly: ExportRenderer(typeof(MasterDetailPage), typeof(TabletMasterDetailRenderer), UIUserInterfaceIdiom.Pad)]
+
 [assembly: ExportCell(typeof(Cell), typeof(CellRenderer))]
 [assembly: ExportCell(typeof(ImageCell), typeof(ImageCellRenderer))]
 [assembly: ExportCell(typeof(EntryCell), typeof(EntryCellRenderer))]