$ ./tools_webrtc/android/build_aar.py --extra-gn-args 'is_debug=false is_component_build=false is_clang=true rtc_include_tests=false rtc_use_h264=true rtc_enable ...
For technical details, see blog post: UniTask v2 — Zero Allocation async/await for Unity, with Asynchronous LINQ For advanced tips, see blog post: Extends UnityWebRequest via async decorator pattern — ...