Update Reference Sources to .NET Framework 4.6.1

Author: dotnet-bot

SMDiagnostics/System/ServiceModel/Diagnostics/Utility.cs

@@ -28,7 +28,7 @@ internal Utility(ExceptionUtility exceptionUtility)
         [SuppressMessage(FxCop.Category.Security, FxCop.Rule.TransparentMethodsMustNotReferenceCriticalCode)] // we got APTCA approval with no requirement to fix this transparency warning
         internal static void CloseInvalidOutSafeHandle(SafeHandle handle)
         {
-            // Workaround for 64-bit CLR 
+            // Workaround for 64-bit CLR bug VSWhidbey 546830 - sometimes invalid SafeHandles come back null.
             if (handle != null)
             {
 #pragma warning disable 618

System.Activities.Presentation/System.Activities.Core.Presentation/AssemblyInfo.cs renamed to System.Activities.Core.Presentation/AssemblyInfo.cs

@@ -2,4 +2,4 @@
 using System.Diagnostics.CodeAnalysis;
 
 [assembly: InternalsVisibleTo("CIT.System.Activities.Core.Design, PublicKey=0024000004800000940000000602000000240000525341310004000001000100b5fc90e7027f67871e773a8fde8938c81dd402ba65b9201d60593e96c492651e889cc13f1415ebb53fac1131ae0bd333c5ee6021672d9718ea31a8aebd0da0072f25d87dba6fc90ffd598ed4da35e44c398c454307e8e33b8426143daec9f596836f97c8f74750e5975c64e2189f45def46b2a2b1247adc3652bf5c308055da9")]
-[assembly: SuppressMessage("Microsoft.MSInternal", "CA904:DeclareTypesInMicrosoftOrSystemNamespace", Scope = "namespace", Target = "XamlGeneratedNamespace", Justification = "Xaml Generated")]
+[assembly: SuppressMessage("Microsoft.MSInternal", "CA904:DeclareTypesInMicrosoftOrSystemNamespace", Scope = "namespace", Target = "XamlGeneratedNamespace", Justification = "Xaml Generated")]