Mark registration pkg inbox on Xamarin

Commit migrated from https://github.com/dotnet/corefx/commit/a57ca7747c2d67f63f5f5bb9eecb0cb4539d7ddc

diff --git a/src/libraries/System.ComponentModel.Composition.Registration/pkg/System.ComponentModel.Composition.Registration.pkgproj b/src/libraries/System.ComponentModel.Composition.Registration/pkg/System.ComponentModel.Composition.Registration.pkgproj
index 2186707..6aed2f8 100644 (file)
--- a/src/libraries/System.ComponentModel.Composition.Registration/pkg/System.ComponentModel.Composition.Registration.pkgproj
+++ b/src/libraries/System.ComponentModel.Composition.Registration/pkg/System.ComponentModel.Composition.Registration.pkgproj
@@ -2,9 +2,10 @@
     <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), Directory.Build.props))\Directory.Build.props" />
     <ItemGroup>
     <ProjectReference Include="..\ref\System.ComponentModel.Composition.Registration.csproj">
-      <SupportedFramework>netcoreapp3.0;net45</SupportedFramework>
+      <SupportedFramework>netcoreapp3.0;net45;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.ComponentModel.Composition.Registration.csproj" />
+    <InboxOnTargetFramework Include="$(AllXamarinFrameworks)" />
     <InboxOnTargetFramework Include="net45">
       <AsFrameworkReference>true</AsFrameworkReference>
     </InboxOnTargetFramework>