SystemUI: add quick settings pull down with one finger

Logic is currently set to use 1/3 of right hand side of the statusbar to
trigger a quick settings quick pull down, quickly.

Change-Id: I3f536496f724f07d2419a5b2db5fa8f8261609e7
Signed-off-by: Roman Birg <roman@cyngn.com>
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>
Factor out preference-in-storage check to overridable method.

Change-Id: I2fff3192802f8a180330fda66388eda394334a5a