priv_app: suppress denials for /proc/stat

Bug: 72668919
Test: build
Change-Id: Id156b40a572dc0dbfae4500865400939985949d9
diff --git a/private/priv_app.te b/private/priv_app.te
index dcf7572..565aa4a 100644
--- a/private/priv_app.te
+++ b/private/priv_app.te
@@ -140,6 +140,7 @@
 dontaudit priv_app proc:file read;
 dontaudit priv_app proc_interrupts:file read;
 dontaudit priv_app proc_modules:file read;
+dontaudit priv_app proc_stat:file read;
 dontaudit priv_app proc_version:file read;
 dontaudit priv_app wifi_prop:file read;
 dontaudit priv_app net_dns_prop:file read;