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
SystemUI: GoogleNow in Recents

Hardcoded for now...
PS2: Not Hardcoded
     Layout-Land
     KillAll above GNow
PS3: Whitespace & Fix Dependency
PS4: GNow right of KillAll in Landscape
PS5: Drop relevant layout-land down
     to dependency

Change-Id: I9be63197a48253b3d57a13981e458bede95c345c
Re-add auto brightness configuration UI (1/2)

- Add a button into the new brightness dialog that allows opening the
  auto brightness setup
- Enable auto-brightness adjustment (setting for general brighter/darker
  adjustment) and twilight adjustment

Change-Id: I7fd11ddaa112396dcb7508692aacb93bfe3da256

Change-Id: I9eee1556e4aac2caf660b36d738317539fe8f4c4
Allow adjusting progress on touch events.

Change-Id: Ide0a7ae057a62f3631a32eeaa63f3e04dec5bf54