Mark some aidl_interface modules as unstable am: 4801a3fe5a

Change-Id: I22db438442c3d5cd29c5fac00554aeb92e9300b9
diff --git a/Android.bp b/Android.bp
index bf15b00..c66e498 100644
--- a/Android.bp
+++ b/Android.bp
@@ -105,6 +105,7 @@
 
 aidl_interface {
     name: "gsi_aidl_interface",
+    unstable: true,
     srcs: [":gsiservice_aidl"],
     local_include_dir: "aidl",
     backend: {