Scale size of CC network

ml-agents/mlagents/trainers/torch/networks.py

         super().__init__()
         self.normalize = network_settings.normalize
         self.use_lstm = network_settings.memory is not None
-        self.h_size = network_settings.hidden_units
+        # Scale network depending on num agents
+        self.h_size = network_settings.hidden_units * num_obs_heads
         self.m_size = (
             network_settings.memory.memory_size
             if network_settings.memory is not None