am a8d9291d: Merge "Various battery info things:" into gingerbread

Merge commit 'a8d9291d7f93d1aa0d24d71d65c7de2894812177' into gingerbread-plus-aosp

* commit 'a8d9291d7f93d1aa0d24d71d65c7de2894812177':
  Various battery info things: