Merge "Revert "sdcard: Support sdcardfs"" into nyc-dev
am: 6267d70

* commit '6267d70b2646e020c09439944bebc6aff1d7d652':
  Revert "sdcard: Support sdcardfs"

Change-Id: Iab8254f8cbbf54c29857dcf51911a208eab02115