services: Kick off to OmniRomSystemServer for external service init.

Change-Id: I2dfe51a4cadfe02f0295be36fb30a304219047ff
diff --git a/services/Android.bp b/services/Android.bp
index 653cd3c3..fe02479 100644
--- a/services/Android.bp
+++ b/services/Android.bp
@@ -260,6 +260,7 @@
         "service-permission.stubs.system_server",
         "service-rkp.stubs.system_server",
         "service-sdksandbox.stubs.system_server",
+        "omnirom.internal",
     ],
 
     soong_config_variables: {