Vibration does not work

[makamekm]

Godot version:

3.2.1

OS/device including version:

OSX | 10.0.1

Issue description:

Vibration does not work

Steps to reproduce:

for id in Input.get_connected_joypads():
	Input.start_joy_vibration(id, 1.0, 1.0, 1.0)
Input.start_joy_vibration(0, 1.0, 1.0, 1.0)
Input.vibrate_handheld(1.0)

Minimal reproduction project:

Not necessary

[Stary2001]

known issue - vibration isn't implemented yet