vendor: sepolicy update

-changes for sdcard (from CM)
-changes for exfat OTG

Change-Id: I617d0188d53797866b71db0dbcbfc27bf3e35aa1
diff --git a/sepolicy/genfs_contexts b/sepolicy/genfs_contexts
index 707592e..1dbd632 100644
--- a/sepolicy/genfs_contexts
+++ b/sepolicy/genfs_contexts
@@ -3,6 +3,6 @@
 #
 
 # treat fuseblk as sdcard_external
-#genfscon fuseblk / u:object_r:sdcard_external:s0
-#genfscon exfat / u:object_r:sdcard_external:s0
-#genfscon ntfs / u:object_r:sdcard_external:s0
+genfscon fuseblk / u:object_r:fuse_device:s0
+genfscon exfat / u:object_r:exfat:s0
+genfscon ntfs / u:object_r:ntfs:s0