Also needed dotnet/corefx#29543 to make this work.

(cherry picked from commit b162673)

Author: StephenBonikowsky

pkg/baseline/baseline.props

@@ -32,7 +32,6 @@
   <!-- Get the package version if it isn't marked as block stable -->
   <Target Name="GetPackageIdentityIfStable"
           Returns="@(_StablePackageIdentity)">
-    <Message Importance="high" Text="GetPackageIdentityIfStable Id is: '$(Id)' and Package Version is: '$(PackageVersion)'" />
 
     <ItemGroup Condition="'$(BlockStable)' != 'true'">
       <_StablePackageIdentity Include="$(Id)">

src/packages.builds

@@ -37,7 +37,8 @@
 
     <MSBuild Targets="GetPackageIdentityIfStable"
              BuildInParallel="$(BuildInParallel)"
-             Projects="@(PkgProjects)">
+             Projects="@(PkgProjects)"
+             RemoveProperties="Configuration">
       <Output TaskParameter="TargetOutputs"
               ItemName="_StablePackages" />
     </MSBuild>