am 1bece432: Make nativeLibraryDir visible in the API

Merge commit '1bece4320c1d2308b4a5b5aeda47b065312b3053' into gingerbread-plus-aosp

* commit '1bece4320c1d2308b4a5b5aeda47b065312b3053':
  Make nativeLibraryDir visible in the API