Add interface info to .rc files

Signed-off-by: Felix <google@ix5.org>
Change-Id: I6d70bbdb66c3dce280bf6908c3750316a6f6cf70
diff --git a/vibrator/1.0/default/android.hardware.vibrator@1.0-service.rc b/vibrator/1.0/default/android.hardware.vibrator@1.0-service.rc
index 1123eab..1bd5c10 100644
--- a/vibrator/1.0/default/android.hardware.vibrator@1.0-service.rc
+++ b/vibrator/1.0/default/android.hardware.vibrator@1.0-service.rc
@@ -1,4 +1,5 @@
 service vendor.vibrator-1-0 /vendor/bin/hw/android.hardware.vibrator@1.0-service
+    interface android.hardware.vibrator@1.0::IVibrator default
     class hal
     user system
     group system