am 8c5d9430: Merge "Add unistd.h for size_t typedef to fix sim-eng" into gingerbread

Merge commit '8c5d9430d2f029be0c1100f7b3c38a2fb9fe99b6' into gingerbread-plus-aosp

* commit '8c5d9430d2f029be0c1100f7b3c38a2fb9fe99b6':
  Add unistd.h for size_t typedef to fix sim-eng