am 3d828e62: Merge "Do not build pbkdf2gen on non-Linux hosts" into gingerbread

Merge commit '3d828e62c856074334a00ce7c621050b4d7166e4' into gingerbread-plus-aosp

* commit '3d828e62c856074334a00ce7c621050b4d7166e4':
  Do not build pbkdf2gen on non-Linux hosts