Game Driver: sepolicy update for plumbing GpuStats into GpuService

Allow all the app process with GUI to send GPU health metrics stats to
GpuService during the GraphicsEnvironment setup stage for the process.

Bug: 123529932
Test: Build, flash and boot. No selinux denials.
Change-Id: Ic7687dac3c8a3ea43fa744a6ae8a45716951c4df
diff --git a/private/priv_app.te b/private/priv_app.te
index 71e787f..ad39eb1 100644
--- a/private/priv_app.te
+++ b/private/priv_app.te
@@ -47,6 +47,10 @@
 allow priv_app recovery_service:service_manager find;
 allow priv_app stats_service:service_manager find;
 allow priv_app system_api_service:service_manager find;
+allow priv_app gpu_service:service_manager find;
+
+# Allow privileged apps to interact with gpuservice
+binder_call(priv_app, gpuservice)
 
 # Write to /cache.
 allow priv_app { cache_file cache_recovery_file }:dir create_dir_perms;