b253005342
Screenshots: * The new setting: http://shortn/_9JL6nMS3cR * The disabled "Learn touchpad gestures" button and accompanying footer when the setting is off: http://shortn/_FTcNTQAGYj Test: disable the setting, check three- and four-finger swipes on the touchpad stop working; re-enable, check they work again Test: check the toggle and heading both hide correctly when flag is off or no touchpad is connected Test: check the "Learn touchpad gestures" button is disabled with an explanation when gestures are disabled Bug: 353947750 Bug: 374965372 Flag: com.android.hardware.input.touchpad_system_gesture_disable Change-Id: Ie7a6ea4e9ddd34710d07f78ab96598207aac4228