SystemUI: fix right hand side gestures on lockscreen

two finger quick pulldown was not accounting for being in the keyguard
adn was eating touch events when it shouldn't be.

Change-Id: I625d48a4002aaaf2d55d7efaed65d892ab7aa13c
Signed-off-by: Roman Birg <roman@cyngn.com>
SystemUI: add Settings.System toggle for quick-quick settings pulldown

Change-Id: I3c5dcfc23f39bf8be6c402e25f61e6f57a8add2c
Signed-off-by: Roman Birg <roman@cyngn.com>