Forward action button to device

On click event, only the whole buttons state was passed to the device.
In addition, on ACTION_DOWN and ACTION_UP, pass the button associated to
the action.

Refs #3635 <https://github.com/Genymobile/scrcpy/issues/3635>

Co-authored-by: Romain Vimont <rom@rom1v.com>
Signed-off-by: Romain Vimont <rom@rom1v.com>