create new system label for biometric virtual hal sysprop

and avoid moving old label (virtual_face_hal_prop) from vendor to system.
Bug: 379031135
Test: manual
(cherry picked from https://android-review.googlesource.com/q/commit:92022fe6d4c6fb71523baa24c2c2eea847511d50)
Merged-In: Idf26643ad0d98bfe32165598a244ce01199e586b
Change-Id: Idf26643ad0d98bfe32165598a244ce01199e586b
diff --git a/private/virtual_face.te b/private/virtual_face.te
index 0e33d6b..9a805e8 100644
--- a/private/virtual_face.te
+++ b/private/virtual_face.te
@@ -4,3 +4,4 @@
 hal_server_domain(virtual_face, hal_face)
 typeattribute virtual_face coredomain;
 init_daemon_domain(virtual_face)
+set_prop(virtual_face, virtual_face_prop)