Quicksettings 3.1

Minor post update.

* Update Recent panel open animation with new immersive modes. Continue this https://github.com/AOSPA/android_frameworks_base/commit/48be6b18bbf2d676da75eb031ee76b282635713a
* Sleep Tile
  Cleanup code.
  Add new holoish drawable.
  Long press front sleep tile opens power menu (pure emulation of power button).
* Immersive Tile
  Back on our first concept of having it dualized and change it:
  - Front: Toggles Global On/Off.
  - Back: Toggles modes (Full/Nav only/Status only).
  The tile now stores last immersive state, thanks David96 for the idea.
* Rssi Tile
  Restore long press action to data usage on front rssi tile
  Restore null image for data and data-traffic off.
* Code indenting and cleanup.
* Restore a previous fix that relays on immersive.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>