vibrator: Enable rust backend

Bug: 388694766
Test: Check intermediates are generated for rust
Change-Id: Id27197d3fb9c9c315f567feb6e404cbc828dfe97
diff --git a/vibrator/aidl/Android.bp b/vibrator/aidl/Android.bp
index b2d98f5..105dbd2 100644
--- a/vibrator/aidl/Android.bp
+++ b/vibrator/aidl/Android.bp
@@ -30,7 +30,7 @@
             enabled: false,
         },
         rust: {
-            enabled: false,
+            enabled: true,
         },
     },
     versions_with_info: [