Merge "Controller: Warn on LeSetEventMask error codes"

  void le_set_event_mask(uint64_t le_event_mask) {

    std::unique_ptr<LeSetEventMaskBuilder> packet = LeSetEventMaskBuilder::Create(le_event_mask);

    hci_->EnqueueCommand(std::move(packet), module_.GetHandler()->BindOnceOn(

                                                this, &Controller::impl::check_status<LeSetEventMaskCompleteView>));

    hci_->EnqueueCommand(

        std::move(packet), module_.GetHandler()->BindOnceOn(this, &Controller::impl::check_le_set_event_mask_status));

  }

  void check_le_set_event_mask_status(CommandCompleteView view) {

    ASSERT(view.IsValid());

    auto status_view = LeSetEventMaskCompleteView::Create(view);

    ASSERT(status_view.IsValid());

    auto status = status_view.GetStatus();

    if (status != ErrorCode::SUCCESS) {

      LOG_WARN("Unexpected return status %s", ErrorCodeText(status).c_str());

    }

  }

  template <class T>