sepolicy[2/8]: exFAT Support

FUSE based exFAT Implementation

android: https://gerrit.omnirom.org/#/c/4448/
e2fsprogs: https://gerrit.omnirom.org/#/c/3191/
fuse: https://gerrit.omnirom.org/#/c/4443/
vold: https://gerrit.omnirom.org/#/c/4441/
vold: https://gerrit.omnirom.org/#/c/4442/
omni: https://gerrit.omnirom.org/#/c/4449/

it requires this revert:
https://gerrit.omnirom.org/#/c/4797/

Signed-off-by: Humberto Borba <humberos@gmail.com>
Signed-off-by: Utkarsh Gupta <utkarsh.eminem@gmail.com>
Change-Id: Iefe39efc09fe9b5948a06b76da94ac7ae7ee1257