Rename CrossTargeting > MultiTargeting to align with new convention

Author: kzu

…t.Build.Packaging.CrossTargeting.targets …t.Build.Packaging.MultiTargeting.targetssrc/Build/NuGet.Build.Packaging.Tasks/NuGet.Build.Packaging.CrossTargeting.targets renamed to src/Build/NuGet.Build.Packaging.Tasks/NuGet.Build.Packaging.MultiTargeting.targets src/Build/NuGet.Build.Packaging.Tasks/NuGet.Build.Packaging.CrossTargeting.targets renamed to src/Build/NuGet.Build.Packaging.Tasks/NuGet.Build.Packaging.MultiTargeting.targets

@@ -25,10 +25,14 @@
     <Content Include="**\*.props;**\*.targets" Exclude="obj\**\*.*;bin\**\*.*;NuGet.Build.Packaging.Tasks.targets">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Update="NuGet.Build.Packaging.MultiTargeting.targets">
+      <PackagePath>buildMultiTargeting\%(Filename)%(Extension)</PackagePath>
+    </Content>
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Update="Properties\Resources.resx">
       <Generator>PublicResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
     </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
@@ -44,5 +48,12 @@
       <Link>GlobalAssemblyInfo.cs</Link>
     </Compile>
   </ItemGroup>
+  <ItemGroup>
+    <Compile Update="Properties\Resources.Designer.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+  </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), NuGet.Build.Packaging.Tasks.Shared.targets))\NuGet.Build.Packaging.Tasks.Shared.targets" />
 </Project>