sepolicy: Allow recovery to create links in the rootfs

 * Needed to support vold and other new code.

Change-Id: I25a0b1cc6461eced7112dd4b3974a71423f7957b
diff --git a/sepolicy/recovery.te b/sepolicy/recovery.te
index 870c5f8..e2efee4 100644
--- a/sepolicy/recovery.te
+++ b/sepolicy/recovery.te
@@ -15,6 +15,7 @@
 
 # Manage fstab and /adb_keys
 allow recovery rootfs:file create_file_perms;
+allow recovery rootfs:file link;
 allow recovery rootfs:dir { write create rmdir add_name remove_name };
 
 # Read storage files and directories