fusion3: exFAT support

Depends on system/vold exfat support commit

Change-Id: I17d256e1498245af3085a8883c91b880c6e98262
Revert "fusion3: exFAT support"

This reverts commit 1725c49d6ac2995b12f665884a78245c2e230bb2.

Change-Id: Iadbfc3356c6e8440f6a90b43e1e850202539f4a4
sepolicy: Add vold.te

Change-Id: I0fc7c2d90d30b0f5898c66368294c2412ea93ba5