Add dontaudit for rs fd usage

These issues pop up on ocassion, and are very hard to diagnose. Since
renderscript is deprecated, we shouldn't be seeing any new problems with
it, but there isn't pressure to fix these issues as renderscript should
go away on it's own eventually.

Fixes: 291211299
Test: Boot, no audit statements.
Change-Id: I9d595520ecabea562b8e9d4b113bb18db101219a
diff --git a/private/rs.te b/private/rs.te
index 906373b..2674c0e 100644
--- a/private/rs.te
+++ b/private/rs.te
@@ -32,6 +32,10 @@
 # File descriptors passed from app to renderscript
 allow rs { untrusted_app_all ephemeral_app priv_app }:fd use;
 
+# See b/291211299. Since rs is deprecated, this shouldn't be too dangerous, since new
+# renderscript usages shouldn't be popping up.
+dontaudit rs { zygote surfaceflinger hal_graphics_allocator }:fd use;
+
 # rs can access app data, so ensure it can only be entered via an app domain and cannot have
 # CAP_DAC_OVERRIDE.
 neverallow rs rs:capability_class_set *;