Merge "Be more explicit on unexpected HCI events"

  void on_hci_event(EventView event) {

    ASSERT(event.IsValid());

    if (command_queue_.empty()) {

      auto event_code = event.GetEventCode();

      ASSERT_LOG(

          event_code != EventCode::COMMAND_COMPLETE && event_code != EventCode::COMMAND_STATUS,

          "Received %s without a waiting command (is the HAL sending commands, but not handling the events?)",

          EventCodeText(event_code).c_str());

      std::unique_ptr<CommandView> no_waiting_command{nullptr};

      log_hci_event(no_waiting_command, event, module_.GetDependency<storage::StorageModule>());

    } else {