feat: add simulator audio to WebRTC streams #501

Job	Run time
Packages and VS Code extension	36s
Rust lint and unit tests	2m 20s
Build integration artifacts	2m 9s
Client lint, build, and tests	41s
Android emulator integration (ubuntu-latest)	6m 14s
Android emulator integration (windows-latest)	10m 54s
WebRTC stream benchmark	8m 25s
JS API simulator integration	6m 38s
CLI simulator integration	13m 8s
	51m 5s

Provide feedback