Update Platform.csproj

Author: MichalStrehovsky

frameworks/CSharp/aspnetcore/src/Platform/Platform.csproj

@@ -27,7 +27,9 @@
 
   <PropertyGroup Condition="$(PublishAot) == 'true'">
     <DefaultItemExcludes>$(MSBuildThisFileDirectory)Templates/**;$(DefaultItemExcludes)</DefaultItemExcludes>
-    <RuntimeHostConfigurationOption Include="System.Threading.ThreadPool.HillClimbing.Disable" Value="true" />
   </PropertyGroup>
+  <ItemGroup Condition="$(PublishAot) == 'true'">
+    <RuntimeHostConfigurationOption Include="System.Threading.ThreadPool.HillClimbing.Disable" Value="true" />
+  </ItemGroup>
 
 </Project>