Add interface info to .rc files

Signed-off-by: Felix <google@ix5.org>
Change-Id: I6d70bbdb66c3dce280bf6908c3750316a6f6cf70
diff --git a/authsecret/1.0/default/android.hardware.authsecret@1.0-service.rc b/authsecret/1.0/default/android.hardware.authsecret@1.0-service.rc
index e82da7e..1a95cd0 100644
--- a/authsecret/1.0/default/android.hardware.authsecret@1.0-service.rc
+++ b/authsecret/1.0/default/android.hardware.authsecret@1.0-service.rc
@@ -1,4 +1,5 @@
 service vendor.authsecret-1-0 /vendor/bin/hw/android.hardware.authsecret@1.0-service
+    interface android.hardware.authsecret@1.0::IAuthSecret default
     class hal
     user system
     group system