[master] Update dependencies from dotnet/winforms (#1001)

* Update dependencies from https://github.com/dotnet/winforms build 20190618.2

- Microsoft.Private.Winforms - 4.8.0-preview7.19318.2

* Pull Microsoft.NetCore.App toolset dependency through winforms

eng/Version.Details.xml

 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.Private.Winforms" Version="4.8.0-preview7.19316.2">
+    <Dependency Name="Microsoft.Private.Winforms" Version="4.8.0-preview7.19318.9">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>ebeaa64fb85e9d6e576d142d8e5dc345eccec8e1</Sha>
+      <Sha>6970d10fef97fb3faf33cfa81224c1d8a6d10d52</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
@@ -59,9 +59,9 @@
       <Uri>https://github.com/dotnet/corefx</Uri>
       <Sha>1fca079ddec2aabf56e256dab03e39b31b5036c7</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview7-27818-02">
+    <Dependency Name="Microsoft.NETCore.App" Version="3.0.0-preview7-27818-05" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/core-setup</Uri>
-      <Sha>00df5c6b304566a04d15dcdadfda710d73dd950b</Sha>
+      <Sha>521f511254af16a0410fc2c7feb7ae9ae6ef15cb</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19318.2">
       <Uri>https://github.com/dotnet/arcade</Uri>
@@ -75,9 +75,9 @@
       <Uri>https://github.com/dotnet/corefx</Uri>
       <Sha>1fca079ddec2aabf56e256dab03e39b31b5036c7</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="4.8.0-preview7.19317.15">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="4.8.0-preview7.19318.5">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>6a1b846653e9a595eed706f0dbf19d0f5e63570f</Sha>
+      <Sha>cc513ae5e64e5c637d4691d141c3e0025bfab25b</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="4.6.0-preview7.19318.1" CoherentParentDependency="Microsoft.NETCore.App">
       <Uri>https://github.com/dotnet/corefx</Uri>

eng/Versions.props

@@ -8,7 +8,7 @@
   </PropertyGroup>
   <!-- NuGet Package Versions -->
   <PropertyGroup>
-    <MicrosoftPrivateWinformsVersion>4.8.0-preview7.19316.2</MicrosoftPrivateWinformsVersion>
+    <MicrosoftPrivateWinformsVersion>4.8.0-preview7.19318.9</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>3.0.0-preview7-27818-02</MicrosoftNETCoreAppVersion>
+    <MicrosoftNETCoreAppVersion>3.0.0-preview7-27818-05</MicrosoftNETCoreAppVersion>
     <MicrosoftNETCorePlatformsVersion>3.0.0-preview7.19318.1</MicrosoftNETCorePlatformsVersion>
     <SystemDrawingCommonVersion>4.6.0-preview7.19318.1</SystemDrawingCommonVersion>
     <SystemDirectoryServicesVersion>4.6.0-preview7.19318.1</SystemDirectoryServicesVersion>
@@ -105,6 +105,6 @@
       It is worth reiterating that this package *should not* be consumed to build the product.
   -->
   <PropertyGroup>
-    <MicrosoftDotNetWpfDncEngVersion>4.8.0-preview7.19317.15</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>4.8.0-preview7.19318.5</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>