Fixing curriculum reset parameter bug.

- The environment did not respond to reset parameter values
defined by a curriculum until the second reset. This was
because on the first reset, the reset parameters were not
updated by the Academy.

unity-environment/Assets/ML-Agents/Scripts/Academy.cs

             ConfigureEnvironment();
         }
 
+        private void UpdateResetParameters()
+        {
+            var newResetParameters = brainBatcher.GetEnvironmentParameters();
+            if (newResetParameters != null)
+            {
+                foreach (var kv in newResetParameters.FloatParameters)
+                {
+                    resetParameters[kv.Key] = kv.Value;
+                }
+            }
+        }
+
         void HandleLog(string logString, string stackTrace, LogType type)
         {
             logWriter = new StreamWriter(logPath, true);
                 if (brainBatcher.GetCommand() ==
                     MLAgents.CommunicatorObjects.CommandProto.Reset)
                 {
-                    // Update reset parameters.
-                    var newResetParameters = brainBatcher.GetEnvironmentParameters();
-                    if (newResetParameters != null)
-                    {
-                        foreach (var kv in newResetParameters.FloatParameters)
-                        {
-                            resetParameters[kv.Key] = kv.Value;
-                        }
-                    }
+                    UpdateResetParameters();
 
                     SetIsInference(!brainBatcher.GetIsTraining());
 
             }
             else if (!firstAcademyReset)
             {
+                UpdateResetParameters();
                 ForcedFullReset();
             }