am a3e06084: Allow execute on mounted ASEC and OBB containers

Merge commit 'a3e06084564c86ff618c40f185f3676b8b629b94' into gingerbread-plus-aosp

* commit 'a3e06084564c86ff618c40f185f3676b8b629b94':
  Allow execute on mounted ASEC and OBB containers