Merge pull request #1594 from zamont/master

Update UWP metapackage for servicing by updating S.R.Serialization.Json, S.R.Serialization.Xml, and additional packages listed in dotnet/corefx#10388.

pkg/projects/Microsoft.NETCore.UniversalWindowsPlatform/project.json

@@ -5,6 +5,8 @@
     "Microsoft.NETCore.Runtime.CoreCLR": "1.0.3",
     "Microsoft.NETCore.Targets": "1.0.2",
     "Microsoft.Win32.Primitives": "4.0.1",
+    "System.Collections.NonGeneric": "4.0.1",
+    "System.Collections.Specialized": "4.0.1",
     "System.ComponentModel.EventBasedAsync": "4.0.11",
     "System.Data.Common": "4.1.0",
     "System.Diagnostics.Contracts": "4.0.1",
@@ -20,9 +22,9 @@
     "System.Numerics.Vectors.WindowsRuntime": "4.0.1",
     "System.Reflection.Context": "4.0.1",
     "System.Runtime.InteropServices.WindowsRuntime": "4.0.1",
-    "System.Runtime.Serialization.Json": "4.0.2",
+    "System.Runtime.Serialization.Json": "4.0.3",
     "System.Runtime.Serialization.Primitives": "4.1.1",
-    "System.Runtime.Serialization.Xml": "4.1.1",
+    "System.Runtime.Serialization.Xml": "4.1.2",
     "System.Runtime.WindowsRuntime": "4.0.11",
     "System.Runtime.WindowsRuntime.UI.Xaml": "4.0.1",
     "System.ServiceModel.Duplex": "4.0.1",
@@ -31,6 +33,8 @@
     "System.ServiceModel.Primitives": "4.1.0",
     "System.ServiceModel.Security": "4.0.1",
     "System.Text.Encoding.CodePages": "4.0.1",
+    "System.Threading.Overlapped": "4.0.1",
+    "System.Xml.XmlDocument": "4.0.1",
     "System.Xml.XmlSerializer": "4.0.11"
   },
   "frameworks": {