List Microsoft.AspNetCore.App in PackageOverrides.txt (#60897)

* List Microsoft.AspNetCore.App in PackageOverrides.txt

* Update package override to use SharedFrameworkName

* Update TargetingPackTests.cs

Author: wtgodbe

src/Framework/App.Ref/src/Microsoft.AspNetCore.App.Ref.sfxproj

@@ -166,6 +166,9 @@
       <!-- Use shared framework version for project references. -->
       <_AspNetCoreAppPackageOverrides Include="@(ReferencePath->'%(FileName)|$(ReferencePackSharedFxVersion)')"
           Condition=" '%(ReferencePath.ReferenceSourceTarget)' == 'ProjectReference' " />
+
+      <!-- Include Microsoft.AspNetCore.App for Package Pruning -->
+      <_AspNetCoreAppPackageOverrides Include="$(SharedFrameworkName)|$(ReferencePackSharedFxVersion)" />
     </ItemGroup>
 
     <WriteLinesToFile

src/Framework/test/TargetingPackTests.cs

@@ -144,7 +144,8 @@ public void PackageOverridesContainsCorrectEntries()
             .Split(';', StringSplitOptions.RemoveEmptyEntries)
             .ToHashSet();
 
-        Assert.Equal(packageOverrideFileLines.Length, runtimeDependencies.Count + aspnetcoreDependencies.Count);
+        // PackageOverrides will contain all Aspnetcore/Runtime ref pack libs, plus an entry for Microsoft.AspNetCore.App
+        Assert.Equal(packageOverrideFileLines.Length, runtimeDependencies.Count + aspnetcoreDependencies.Count + 1);
 
         // PackageOverrides versions should remain at Major.Minor.0 while servicing.
         var netCoreAppPackageVersion = TestData.GetMicrosoftNETCoreAppPackageVersion();
@@ -177,7 +178,7 @@ public void PackageOverridesContainsCorrectEntries()
             {
                 Assert.Equal(netCoreAppPackageVersion, packageVersion);
             }
-            else if (aspnetcoreDependencies.Contains(packageName))
+            else if (packageName.Equals("Microsoft.AspNetCore.App", StringComparison.Ordinal) || aspnetcoreDependencies.Contains(packageName))
             {
                 Assert.Equal(aspNetCoreAppPackageVersion, packageVersion);
             }