Return the tabs demo to one example

AGENTS.md

@@ -63,7 +63,7 @@ The release signing key lives at `~/.config/ai-app/release.jks`, never in the
 checkout. `build-apk.sh` creates it once. Normal builds use application id
 `com.example.aiapp`; benchmark builds add `.bench` and are built explicitly:
 
-    ./build-apk.sh release --features "transcript-screen bench"
+    ./build-apk.sh release --features "screens bench"
 
 ## Running the server