am 3193d7dd: Show album art in the background of the song list for an album.

Merge commit '3193d7dda28d5c31b318b024db4df40b949071d5' into eclair-plus-aosp

* commit '3193d7dda28d5c31b318b024db4df40b949071d5':
  Show album art in the background of the song list for an album.