am 4afe0f47: Merge "time64: make helper functions static"

Merge commit '4afe0f4724b3d7180d67eae29bfdad5f815857cb' into gingerbread-plus-aosp

* commit '4afe0f4724b3d7180d67eae29bfdad5f815857cb':
  time64: make helper functions static