Add exfat/ntfs support for modules or static mode.
if you cannot write to partitions, it could be you miss SE permissions
add mountOpts for exfat.
for example in fstab.xxx:
"/devices/msm_sdcc.3/mmc_host/mmc2 auto auto context=u:object_r:sdcard_external:s0 voldmanaged=extSdCard:auto"

Change-Id: I3d460174da140ae3b099ceed0922f8287dd80676