Update dependencies from...

Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int build 20191027.8 (#2127)

- Microsoft.DotNet.Wpf.DncEng - 5.0.0-alpha.1.19527.8

eng/Version.Details.xml

@@ -75,9 +75,9 @@
       <Uri>https://github.com/dotnet/corefx</Uri>
       <Sha>a434a52ae3f1175bc1cad8b1a02b0921ef3b1f55</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="5.0.0-alpha.1.19526.8">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="5.0.0-alpha.1.19527.8">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>23407071247d97f0ad2e7f35041b700a7ce91c68</Sha>
+      <Sha>94831692d6724056da2a24580d0f0e57ab4b297d</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="5.0.0-alpha1.19504.7" CoherentParentDependency="Microsoft.NETCore.App">
       <Uri>https://github.com/dotnet/corefx</Uri>

eng/Versions.props

@@ -113,6 +113,6 @@
       It is worth reiterating that this package *should not* be consumed to build the product.
   -->
   <PropertyGroup>
-    <MicrosoftDotNetWpfDncEngVersion>5.0.0-alpha.1.19526.8</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>5.0.0-alpha.1.19527.8</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>