Add policy for IKeystoreAuthorization AIDL service.

The interaface now provided by IKeystoreAuthorization AIDL interface was
previously provided by Keystore AIDL interface.

This CL adds policy to allow Keystore2 to register
IKeystoreAuthorization aidl service and to allow service manager to
look up and connect to the service.

Bug: 159475191
Test: Needs to be tested in runtime
Change-Id: I56829a8764e0efe55efdc92b75d7a3d918a20dae
diff --git a/private/system_server.te b/private/system_server.te
index 69e04d9..893ea11 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -762,6 +762,7 @@
 
 add_service(system_server, system_server_service);
 allow system_server audioserver_service:service_manager find;
+allow system_server authorization_service:service_manager find;
 allow system_server batteryproperties_service:service_manager find;
 allow system_server cameraserver_service:service_manager find;
 allow system_server dataloader_manager_service:service_manager find;