Properly pass along callback target.

src/Workspaces/Core/Portable/Remote/RemoteHostClientExtensions.cs

@@ -58,14 +58,14 @@ public static bool IsOutOfProcessEnabled(this Workspace workspace, Option<bool>
             }
 
              // Treat experiments as always on in tests.
-             if (experimentName != null && workspace.Kind != WorkspaceKind.Test)
-             {
-                 var experimentEnabled = workspace.Services.GetService<IExperimentationService>();
-                 if (!experimentEnabled.IsExperimentEnabled(experimentName))
-                 {
-                     return false;
-                 }
-             }
+             //if (experimentName != null && workspace.Kind != WorkspaceKind.Test)
+             //{
+             //    var experimentEnabled = workspace.Services.GetService<IExperimentationService>();
+             //    if (!experimentEnabled.IsExperimentEnabled(experimentName))
+             //    {
+             //        return false;
+             //    }
+             //}
  
              return true;
         }
@@ -86,7 +86,7 @@ public static bool IsOutOfProcessEnabled(this Workspace workspace, Option<bool>
                 return null;
             }
 
-            return await client.TryCreateCodeAnalysisServiceSessionAsync(solution, cancellationToken).ConfigureAwait(false);
+            return await client.TryCreateCodeAnalysisServiceSessionAsync(solution, callbackTarget, cancellationToken).ConfigureAwait(false);
         }
 
         public static Task RunOnRemoteHostAsync(