am af06d7a9: Fix bug3119318, missing Mount USB storage strings

Merge commit 'af06d7a94a69d82ef5f2d8082e75c368f4204afb' into gingerbread-plus-aosp

* commit 'af06d7a94a69d82ef5f2d8082e75c368f4204afb':
  Fix bug3119318, missing Mount USB storage strings