Add interface info to .rc files

Signed-off-by: Felix <google@ix5.org>
Change-Id: I6d70bbdb66c3dce280bf6908c3750316a6f6cf70
diff --git a/radio/config/1.0/default/android.hardware.radio.config@1.0-service.rc b/radio/config/1.0/default/android.hardware.radio.config@1.0-service.rc
index fad16b1..94d5edb 100644
--- a/radio/config/1.0/default/android.hardware.radio.config@1.0-service.rc
+++ b/radio/config/1.0/default/android.hardware.radio.config@1.0-service.rc
@@ -1,4 +1,5 @@
 service vendor.radio-config-hal-1-0 /vendor/bin/hw/android.hardware.radio.config@1.0-service
+    interface android.hardware.radio.config@1.0::IRadioConfig default
     class hal
     user system
     group system