omni: sepolicy: fixup extended fs rules

for ntfs and exfat

Change-Id: I5d22e83958a3a731799b7fe6c7f0c119128ddc0b
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index 5e6018e..1233804 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -7,12 +7,15 @@
 
 # mkfs
 /system/bin/mkfs\.exfat   u:object_r:mkfs_exec:s0
-/system/bin/mkfs\.f2fs    u:object_r:mkfs_exec:s0
 /system/bin/mkfs\.ntfs    u:object_r:mkfs_exec:s0
 
 # fsck
 /system/bin/fsck\.ntfs                          u:object_r:fsck_exec:s0
+/system/bin/fsck\.exfat                          u:object_r:fsck_exec:s0
+
+# mount
 /system/bin/mount\.exfat                         u:object_r:fsck_exec:s0
+/system/bin/mount\.ntfs                         u:object_r:fsck_exec:s0
 
 # wakelocks
 /sys/kernel/debug/wakeup_sources     u:object_r:debugsfs_wakelock:s0