Added param2 for start video capture (update interval)
Excluded param2 above from PX4 as it's fixed to 0.2Hz
Re-added param2 test within CameraSectionTest (start video capture)

representing the active state of the joystick after calibration

that it should also end joystick polling when it becomes inactive. Otherwise we
may have stray threads hangin around.

Separate startJoystick from enableJoystick. Just because the joystick is not enabled doesn't mean that we don't want to be able to monitor its behavior

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

This reverts commit 0507fb9b.