Legacy packages.config support

Author: nvborisenko

dotnet/src/webdriver/assets/nuget/build/netstandard2.0/Selenium.WebDriver.targets

@@ -1,4 +1,14 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  
+    <!-- Legacy packages.config support -->
+    <ItemGroup Condition="'$(UsingMicrosoftNETSdk)' != 'true'">
+        <Content Include="$(MSBuildThisFileDirectory)..\..\runtimes\win\native\selenium-manager.exe">
+            <Link>runtimes\win\native\%(Filename)%(Extension)</Link>
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+            <Visible>False</Visible>
+            <Pack>false</Pack>
+        </Content>
+    </ItemGroup>
 
 </Project>