Add interface info to .rc files

Signed-off-by: Felix <google@ix5.org>
Change-Id: I6d70bbdb66c3dce280bf6908c3750316a6f6cf70
diff --git a/broadcastradio/2.0/default/android.hardware.broadcastradio@2.0-service.rc b/broadcastradio/2.0/default/android.hardware.broadcastradio@2.0-service.rc
index 7d68b6c..dd8c9c6 100644
--- a/broadcastradio/2.0/default/android.hardware.broadcastradio@2.0-service.rc
+++ b/broadcastradio/2.0/default/android.hardware.broadcastradio@2.0-service.rc
@@ -1,4 +1,5 @@
 service broadcastradio-hal2 /vendor/bin/hw/android.hardware.broadcastradio@2.0-service
+    interface android.hardware.broadcastradio@2.0::IBroadcastRadio default
     class hal
     user audioserver
     group audio