priv_app: supress more snet selinux denial on sysfs

Bug: 143294492
Test: build
Change-Id: I55c9baf7f55d9ab36bf1509ca466e0747c49567d
diff --git a/private/priv_app.te b/private/priv_app.te
index 6f0cb4f..bfa0669 100644
--- a/private/priv_app.te
+++ b/private/priv_app.te
@@ -168,6 +168,7 @@
 dontaudit priv_app sysfs:dir read;
 dontaudit priv_app sysfs:file read;
 dontaudit priv_app sysfs_android_usb:file read;
+dontaudit priv_app sysfs_dm:file r_file_perms;
 dontaudit priv_app wifi_prop:file read;
 dontaudit priv_app { wifi_prop exported_wifi_prop }:file read;