fix: speed up LaunchAgent service install and cleanup (#67) #453

Job	Run time
Packages and VS Code extension	34s
Build integration artifacts	4m 9s
Client lint, build, and tests	45s
Rust lint and unit tests	2m 35s
Android emulator integration	6m 26s
CLI simulator integration	11m 23s
WebRTC stream benchmark	6m 39s
JS API simulator integration	3m 41s
	36m 12s

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