Actually hook up the reading and writing of capabilities in C#.

Author: surfnerd

com.unity.ml-agents/Runtime/Academy.cs

@@ -131,8 +131,6 @@ public bool IsCommunicatorOn
         // Random seed used for inference.
         int m_InferenceSeed;
 
-        // The Capabilities of the RL trainer.
-
         /// <summary>
         /// Set the random seed used for inference. This should be set before any Agents are added
         /// to the scene. The seed is passed to the ModelRunner constructor, and incremented each

com.unity.ml-agents/Runtime/Communicator/GrpcExtensions.cs

@@ -166,6 +166,7 @@ public static UnityRLInitParameters ToUnityRLInitParameters(this UnityRLInitiali
                 seed = inputProto.Seed,
                 pythonLibraryVersion = inputProto.PackageVersion,
                 pythonCommunicationVersion = inputProto.CommunicationVersion,
+                TrainerCapabilities = inputProto.Capabilities.ToRLCapabilities()
             };
         }
 

com.unity.ml-agents/Runtime/Communicator/RpcCommunicator.cs

@@ -108,7 +108,8 @@ public UnityRLInitParameters Initialize(CommunicatorInitParameters initParameter
             {
                 Name = initParameters.name,
                 PackageVersion = initParameters.unityPackageVersion,
-                CommunicationVersion = initParameters.unityCommunicationVersion
+                CommunicationVersion = initParameters.unityCommunicationVersion,
+                Capabilities = initParameters.CSharpCapabilities.ToProto()
             };
 
             UnityInputProto input;