Change Namespace to _Microsoft.Android.Resource.Designer

Author: dellis1972

src/Xamarin.Android.Build.Tasks/Linker/MonoDroid.Tuner/FixLegacyResourceDesignerStep.cs

@@ -20,7 +20,7 @@ namespace MonoDroid.Tuner
 	public class FixLegacyResourceDesignerStep : LinkDesignerBase
 	{
 		internal const string DesignerAssemblyName = "_Microsoft.Android.Resource.Designer";
-		internal const string DesignerAssemblyNamespace = "Microsoft.Android.Resource.Designer";
+		internal const string DesignerAssemblyNamespace = "_Microsoft.Android.Resource.Designer";
 #if ILLINK
 		protected override void Process ()
 		{

src/Xamarin.Android.Build.Tasks/Tasks/GenerateResourceDesignerIntermediateClass.cs

@@ -19,7 +19,7 @@ public class GenerateResourceDesignerIntermediateClass : AndroidTask
 using System;
 
 namespace %NAMESPACE% {
-	public partial class Resource : %BASECLASS% {
+	public class Resource : %BASECLASS% {
 	}
 }
 ";