Sepolicy: Introduce perfprofd binder service

Add policy for the perfprofd binder service.

For now, only allow su to talk to it.

Test: m
Change-Id: I690f75460bf513cb326314cce633fa25453515d6
diff --git a/private/compat/26.0/26.0.ignore.cil b/private/compat/26.0/26.0.ignore.cil
index 790133e..e359935 100644
--- a/private/compat/26.0/26.0.ignore.cil
+++ b/private/compat/26.0/26.0.ignore.cil
@@ -27,6 +27,7 @@
     netd_stable_secret_prop
     network_watchlist_service
     package_native_service
+    perfprofd_service
     property_info
     slice_service
     stats