Update dependencies from https://github.com/dotnet/winforms build 20191008.9 (#2021)

- Microsoft.Private.Winforms - 5.0.0-alpha1.19508.9

Dependency coherency updates

- Microsoft.NETCore.App - 5.0.0-alpha1.19507.10 (parent: Microsoft.Private.Winforms)

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.Private.Winforms" Version="5.0.0-alpha1.19508.2">
+    <Dependency Name="Microsoft.Private.Winforms" Version="5.0.0-alpha1.19508.9">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>99d29f8c191a5af83dd2e2b77ea054dd3d55e3b2</Sha>
+      <Sha>239cbc36fda9dd106ebd41782aeb9172a69f826d</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
@@ -59,9 +59,9 @@
       <Uri>https://github.com/dotnet/corefx</Uri>
       <Sha>a434a52ae3f1175bc1cad8b1a02b0921ef3b1f55</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="5.0.0-alpha1.19506.5" CoherentParentDependency="Microsoft.Private.Winforms">
+    <Dependency Name="Microsoft.NETCore.App" Version="5.0.0-alpha1.19507.10" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>3fccad76fc65967dc194983284c3a43de37e95a0</Sha>
+      <Sha>57ba280ee32511c6f5c2ebcd2bfaaf4a1db74648</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19461.7">
       <Uri>https://github.com/dotnet/arcade</Uri>

eng/Versions.props

@@ -8,7 +8,7 @@
   </PropertyGroup>
   <!-- NuGet Package Versions -->
   <PropertyGroup>
-    <MicrosoftPrivateWinformsVersion>5.0.0-alpha1.19508.2</MicrosoftPrivateWinformsVersion>
+    <MicrosoftPrivateWinformsVersion>5.0.0-alpha1.19508.9</MicrosoftPrivateWinformsVersion>
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/coreclr -->
   <PropertyGroup>
@@ -18,7 +18,7 @@
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/core-setup -->
   <PropertyGroup>
-    <MicrosoftNETCoreAppVersion>5.0.0-alpha1.19506.5</MicrosoftNETCoreAppVersion>
+    <MicrosoftNETCoreAppVersion>5.0.0-alpha1.19507.10</MicrosoftNETCoreAppVersion>
     <MicrosoftNETCorePlatformsVersion>5.0.0-alpha1.19504.7</MicrosoftNETCorePlatformsVersion>
     <SystemDrawingCommonVersion>5.0.0-alpha1.19504.7</SystemDrawingCommonVersion>
     <SystemDirectoryServicesVersion>5.0.0-alpha1.19504.7</SystemDirectoryServicesVersion>