am 6bb7a4a6: Go one day into 1970 for timezone code.

Merge commit '6bb7a4a68ae79dab56b23d1c7111bf7eb3aa55fe' into gingerbread-plus-aosp

* commit '6bb7a4a68ae79dab56b23d1c7111bf7eb3aa55fe':
  Go one day into 1970 for timezone code.