[Ardrone3] add video debug arcommand for manual white balance
[Ardrone3] add video debug arcommand for manual white balance

Parrot-Developers/libARCommands,kradhub/libARCommands,Parrot-Developers/libARCommands,kradhub/libARCommands,kradhub/libARCommands,kradhub/libARCommands,Parrot-Developers/libARCommands