am 8d45c369: Merge "Some tests for SharedPreferences." into gingerbread

Merge commit '8d45c369d46347774e4e5176525fcc3a83579d23' into gingerbread-plus-aosp

* commit '8d45c369d46347774e4e5176525fcc3a83579d23':
  Some tests for SharedPreferences.