Merge "Revert "sdcard: Support sdcardfs"" into nyc-dev am: 6267d70
am: 35b004a

* commit '35b004a56d11bda773c48b80d7f26b33e5e6eada':
  Revert "sdcard: Support sdcardfs"

Change-Id: I1907c6d64040c3c43959e2c7c52ce991b04b4ffa