add NFC HCE permissions

Change-Id: I4f5c911d69033a8794323267597f51f4026c5af7
Signed-off-by: Arnav Gupta <championswimmer@aokp.co>
blue: update fstab

  1. Vold managed volumes must have auto mount point

  2. voldmanaged uses sdcard0 and sdcard1 instead
     of int_card and ext_card arguments now

Change-Id: I1a1ce926a5899238b2cfd3557a2531cd36ab69ff
Signed-off-by: Arnav Gupta <championswimmer@aokp.co>