SystemUI: unregister ContentObserver

We were leaking memory.

Change-Id: Ie9ddf00c698692f418cb8ef473dff2b1aa05135d
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
SystemUI: RAM bar view optimizations

findViewById() was being called every time updateSettings()
was being called. Instead, let's instantiate them once, and
remove calls to updateSettings() since it will be called
on its own when the setting values change.

Change-Id: Iaa02343caccb615921219be2a56b3bac4f3263b9
Signed-off-by: Roman Birg <romanbirg@gmail.com>
SystemUI: Recents window visual updates

* Changed the KillAll button to not have a border/be transparent
* Stretched out the RAM bar across the top, and add a small shadow underneath

PS4: Drop landscape related changes down
     from GNow commit (wrong patch)

Change-Id: Iabdab0a083b00ee51834415f0454f8298efe5591
recents: turn Kill All into normal button

Change-Id: Ie7783449e593ceab81039133fcee2f1561954ef3
Signed-off-by: Arnav Gupta <championswimmer@aokp.co>
set kill... erm, clear all and ram bar to always true(on)

Signed-off-by: Jonathan Steadman <xxwhitehawk@gmail.com>