update env controller

Project/Assets/ML-Agents/Examples/Hallway/Scripts/HallwayCollabAgent.cs

         if (isSpotter)
         {
             var teamManager = new HallwayTeamManager();
-            SetTeamManager(teamManager);
-            teammate.SetTeamManager(teamManager);
+            teamManager.RegisterAgent(this);
+            teamManager.RegisterAgent(teammate);
         }
     }
     public override void OnEpisodeBegin()

Project/Assets/ML-Agents/Examples/Hallway/TFModels/HallwayCollab.onnx.meta

   fileIDToRecycleName:
     11400000: main obj
     11400002: model data
-    2186277476908879412: ImportLogs
   externalObjects: {}
   userData: 
   assetBundleName: 

Project/Assets/ML-Agents/Examples/PushBlock/Scripts/PushBlockEnvController.cs

             item.StartingPos = item.Agent.transform.position;
             item.StartingRot = item.Agent.transform.rotation;
             item.Rb = item.Agent.GetComponent<Rigidbody>();
-            item.Agent.SetTeamManager(m_TeamManager);
+            m_TeamManager.RegisterAgent(item.Agent);
         }
 
         ResetScene();