feat: add simulator audio to WebRTC streams #504

Job	Run time
Client lint, build, and tests	41s
Build integration artifacts	2m 11s
Packages and VS Code extension	35s
Rust lint and unit tests	2m 3s
Android emulator integration (ubuntu-latest)	6m 18s
Android emulator integration (windows-latest)	12m 44s
CLI simulator integration	10m 31s
WebRTC stream benchmark	5m 6s
JS API simulator integration	3m 49s
	43m 58s

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