SystemUI: Add task manager

Add a button in status bar expanded header to switch to task manager,
which supports to watch current running tasks and usage of memory, also
supports to close one or all of running tasks.

Conflicts:
        packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

Change-Id: Ica51961bfac78580eac085c18eb42f91a84efc95
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>