am 73db5f02: Merge "Fix bug #3055578 ("adb shell bmgr list sets" generates NPE and cannot be run again when device has no account setup)" into gingerbread

Merge commit '73db5f02a1e1a3fc3514ddbff1c28e22fec3aa7a' into gingerbread-plus-aosp

* commit '73db5f02a1e1a3fc3514ddbff1c28e22fec3aa7a':
  Fix bug #3055578 ("adb shell bmgr list sets" generates NPE and cannot be run again when device has no account setup)