am a3ee5c03: Merge "Add MountService tests and fix a bug it found" into gingerbread

Merge commit 'a3ee5c0351e51f7a978ddddc37644f46051ca6ed' into gingerbread-plus-aosp

* commit 'a3ee5c0351e51f7a978ddddc37644f46051ca6ed':
  Add MountService tests and fix a bug it found