Consolidate package versions

Use same versions of dependencies across projects
to ensure a consistent and predictable builds.

This also fixes a Warning (NU1603) in the UI Test projects.

Author: Nirmal4G

UITests/UITests.Tests.MSTest/UITests.Tests.MSTest.csproj

@@ -25,7 +25,7 @@
     <PackageReference Include="System.Reflection.TypeExtensions" Version="4.5.1" />
     <!-- Windows SDK packages -->
     <PackageReference Include="Microsoft.Windows.Apps.Test" Version="1.0.181205002" />
-    <PackageReference Include="Microsoft.Windows.SDK.Contracts" Version="10.0.19041.0" />
+    <PackageReference Include="Microsoft.Windows.SDK.Contracts" Version="10.0.19041.1" />
   </ItemGroup>
 
   <Import Project="..\UITests.Tests.Shared\UITests.Tests.Shared.projitems" Label="Shared" />

UITests/UITests.Tests.TAEF/UITests.Tests.TAEF.csproj

@@ -60,7 +60,7 @@
     <PackageReference Include="MUXCustomBuildTasks" Version="1.0.67" GeneratePathProperty="true" />
     <PackageReference Include="TAEF.Redist.Wlk" Version="10.31.180822002" GeneratePathProperty="true" />
     <!-- Windows SDK package -->
-    <PackageReference Include="Microsoft.Windows.SDK.Contracts" Version="10.0.19041.0" />
+    <PackageReference Include="Microsoft.Windows.SDK.Contracts" Version="10.0.19041.1" />
   </ItemGroup>
 
   <Import Project="..\UITests.Tests.Shared\UITests.Tests.Shared.projitems" Label="Shared" />

UnitTests/UnitTests.XamlIslands.UWPApp/UnitTests.XamlIslands.UWPApp.csproj

@@ -163,9 +163,9 @@
       <Version>6.1.2</Version>
     </PackageReference>
     <!-- Ignored for now, until it supports Xaml Islands
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="2.1.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="2.1.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="2.1.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="2.1.2" />
     -->
   </ItemGroup>
   <ItemGroup>