AP_Motors: esc calibration outputs to throttleRight and throttleLeft

libraries/AP_Motors/AP_MotorsMulticopter.cpp

@@ -615,6 +615,9 @@ void AP_MotorsMulticopter::set_throttle_passthrough_for_esc_calibration(float th
                 rc_write(i, pwm_out);
             }
         }
+        // send pwm output to channels used by bicopter
+        SRV_Channels::set_output_pwm(SRV_Channel::k_throttleRight, pwm_out);
+        SRV_Channels::set_output_pwm(SRV_Channel::k_throttleLeft, pwm_out);
     }
 }