sepolicy: Add sdcardfs support

Change-Id: Ib9486b0ad7ed0e4c53494271e6fd35bcfedba40a
diff --git a/sepolicy/genfs_contexts b/sepolicy/genfs_contexts
index b39d3dd..49079c0 100644
--- a/sepolicy/genfs_contexts
+++ b/sepolicy/genfs_contexts
@@ -1,3 +1,4 @@
 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 sdcardfs / u:object_r:fuse:s0