Add VHAL interface defaults.

This will help us update to a new version easier in the future.

Flag: EXEMPT build rule change
Test: Presubmit
Bug: 364946963
Change-Id: Iff7c5005cab04f59388411ccd699277adf43e7de
diff --git a/automotive/vehicle/Android.bp b/automotive/vehicle/Android.bp
index 3a7ef43..606e108 100644
--- a/automotive/vehicle/Android.bp
+++ b/automotive/vehicle/Android.bp
@@ -33,3 +33,11 @@
         "android.hardware.automotive.vehicle.property-V4-rust",
     ],
 }
+
+aidl_interface_defaults {
+    name: "android.hardware.automotive.vehicle-latest-defaults",
+    imports: [
+        "android.hardware.automotive.vehicle-V3",
+        "android.hardware.automotive.vehicle.property-V4",
+    ],
+}