Merge "Revert "Revert "sdcard: Support sdcardfs""" into nyc-dev
am: 71f6b95

* commit '71f6b9569c2c707d061b96e48021b4be617e40a4':
  Revert "Revert "sdcard: Support sdcardfs""

Change-Id: I37880f88c21bec8a0dcd4ff8e93ea0986f0b8475