Return the tabs demo to one example

app/run-bench.sh

@@ -9,7 +9,7 @@
 #   (android-project/app/build/outputs/apk/release/app-release.apk) if it
 #   exists, else the
 #   debug one. Build it first with:
-#   ./build-apk.sh release --features "transcript-screen bench"
+#   ./build-apk.sh release --features "screens bench"
 set -eu
 cd "$(dirname "$0")"