Changing protobuf generation for action masking.

ml-agents-protobuf/make.bat

 
 SRC_DIR=proto/mlagents/envs/communicator_objects
 DST_DIR_C=../MLAgentsSDK/Assets/ML-Agents/Scripts/CommunicatorObjects
-DST_DIR_P=..
+DST_DIR_P=../python/mlagents
 PROTO_PATH=proto
 
 PYTHON_PACKAGE=mlagents/envs/communicator_objects

ml-agents-protobuf/proto/mlagents/envs/communicator_objects/agent_info_proto.proto

     bool done = 8;
     bool max_step_reached = 9;
     int32 id = 10;
+    repeated bool action_mask = 11;
-