feat: add simulator audio to WebRTC streams #498

Job	Run time
Build integration artifacts	3m 10s
Rust lint and unit tests	2m 12s
Client lint, build, and tests	34s
Packages and VS Code extension	33s
Android emulator integration (ubuntu-latest)	6m 31s
Android emulator integration (windows-latest)	12m 16s
JS API simulator integration	4m 20s
WebRTC stream benchmark	7m 39s
CLI simulator integration	8m 45s
	46m 0s

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