Merge "Give users and devices control over sdcardfs." into nyc-dev
am: 7d66e83

* commit '7d66e8313958e8225ea6c3df2ca6696dbc6d3d79':
  Give users and devices control over sdcardfs.

Change-Id: Ie2861a3268768fd6ed55e20bc8a746bb3bc61fff