sepolicy: label exfat and ntfs mkfs executables

Change-Id: Ic5e32818bc54993f4e8c2377cbec64f9444f6d8a
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index 33534d7..7024d1e 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -14,8 +14,10 @@
 /system/etc/init.d/90userinit           u:object_r:userinit_exec:s0
 /data/local/userinit.sh                 u:object_r:userinit_data_exec:s0
 
-# For F2FS partitions marked "formattable"
+# For EXFAT/F2FS/NTFS partitions marked "formattable"
+/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
 
 # For minivold in recovery
 /sbin/minivold            u:object_r:vold_exec:s0