virtualizationservice: Allow checking permissions

Bug: 245727626
Test: atest -p packages/modules/Virtualization:avf-presubmit
Change-Id: Ia49d7db3edeb465fd8b851aed8646964ee6f5af2
diff --git a/private/virtualizationservice.te b/private/virtualizationservice.te
index 28982bc..561e778 100644
--- a/private/virtualizationservice.te
+++ b/private/virtualizationservice.te
@@ -15,6 +15,10 @@
 # Let the virtualizationservice domain register the virtualization_service with ServiceManager.
 add_service(virtualizationservice, virtualization_service)
 
+# Allow calling into the system server to find "permission_service".
+binder_call(virtualizationservice, system_server)
+allow virtualizationservice permission_service:service_manager find;
+
 # Let virtualizationservice remove memlock rlimit of virtualizationmanager. This is necessary
 # to mlock VM memory and page tables.
 allow virtualizationservice self:capability sys_resource;