Fix uneven spacing of navigation bar buttons

* Add two dummy views to the left and right corners to
  bring the buttons nearer to the center
* This makes it easier to hit the back and recents key,
  and makes it identical to what the Sony firmware has.

It's the litte things that matter :)

Change-Id: I180ed2cf1370139f0bbadad963881b20f269e76d
togari: Move platform dependencies to rhine

Change-Id: I5a90f2f91162aac9044d35ae454a78af11c1fc1f
togari: Clean up old cruft

Change-Id: I43f682b342d0f69c767562a87b88f005484df5c4