Add other assets for legacy projects

Author: nvborisenko

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

@@ -1,14 +1,28 @@
 <?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>
+
+  <!-- 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>
+
+    <Content Include="$(MSBuildThisFileDirectory)..\..\runtimes\linux\native\selenium-manager">
+      <Link>runtimes\linux\native\%(Filename)%(Extension)</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <Visible>False</Visible>
+      <Pack>false</Pack>
+    </Content>
+
+    <Content Include="$(MSBuildThisFileDirectory)..\..\runtimes\osx\native\selenium-manager">
+      <Link>runtimes\osx\native\%(Filename)%(Extension)</Link>
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <Visible>False</Visible>
+      <Pack>false</Pack>
+    </Content>
+  </ItemGroup>
 
 </Project>