ICU4N.csproj: Added Target to set AlToolPath as in: dotnet/msbuild#59…

…81 (comment)

src/ICU4N/ICU4N.csproj

@@ -78,6 +78,12 @@
   <ItemGroup Label="Specifies generated sattelite assemblies should be copied to the output folder (and dependent projects as well)">
     <None Include="$(ICU4NSatelliteAssemblyOutputDir)/**/*.resources.dll" CopyToOutputDirectory="PreserveNewest" Visible="false"/>
   </ItemGroup>
+
+  <Target Name="ALBeforeBuild" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+        <AlToolPath>$(TargetFrameworkSDKToolsDirectory)</AlToolPath>
+    </PropertyGroup>
+  </Target>
 
   <Target Name="DownloadICU4J" BeforeTargets="ExecICU4JResourceConverter" Returns="$(ICU4JJarFilePath)" Condition=" '$(TargetFramework)' == '$(SatelliteAssemblyTargetFramework)' ">
 
@@ -147,7 +153,7 @@
     <MakeDir Directories="$(ICU4NSatelliteAssemblyOutputDir)" Condition="!Exists('$(ICU4NSatelliteAssemblyOutputDir)')" />
 
     <!-- Make invariant resources -->
-    <AL SdkToolsPath="$(TargetFrameworkSDKToolsDirectory)" EmbedResources="@(EmbeddedResources)" TargetType="library" TemplateFile="$(TemplateAssemblyFilePath)" Culture="" KeyFile="$(AssemblyOriginatorKeyFile)" OutputAssembly="$(ICU4NSatelliteAssemblyOutputDir)/$(AssemblyName).resources.dll" />
+    <AL EmbedResources="@(EmbeddedResources)" TargetType="library" TemplateFile="$(TemplateAssemblyFilePath)" Culture="" KeyFile="$(AssemblyOriginatorKeyFile)" OutputAssembly="$(ICU4NSatelliteAssemblyOutputDir)/$(AssemblyName).resources.dll" />
 
     <!-- Make localized resources -->
     <LinkAssemblies DotNetToolsDirectory="$(TargetFrameworkSDKToolsDirectory)" EmbedResources="@(FolderInLocale->'%(Files)')" Culture="%(FolderInLocale.Culture)" TemplateFile="$(TemplateAssemblyFilePath)" KeyFile="$(AssemblyOriginatorKeyFile)" OutputAssembly="$(ICU4NSatelliteAssemblyOutputDir)/%(FolderInLocale.Culture)/$(AssemblyName).resources.dll" />