Freeze netd AIDL interface

This freezes the interface as of the latest beta build, although it has
not changed since then.

Generated with:
m netd_aidl_interface-freeze-api

Test: flashed, WiFi working
Test: atest netd_unit_test netd_integration_test netdutils_test
Bug: 128803828
Change-Id: Id1111242ca83c357d007959df830dbda4359216e
diff --git a/server/Android.bp b/server/Android.bp
index 4375467..e0048c6 100644
--- a/server/Android.bp
+++ b/server/Android.bp
@@ -3,7 +3,7 @@
     name: "netd_event_listener_interface",
     local_include_dir: "binder",
     srcs: [
-        "binder/android/net/metrics/INetdEventListener.aidl"
+        "binder/android/net/metrics/INetdEventListener.aidl",
     ],
     api_dir: "binder/api",
 }
@@ -43,6 +43,7 @@
             enabled: false,
         },
     },
+    versions: ["1"],
 }
 
 // Modules common to both netd and netd_unit_test