fix: speed up LaunchAgent service install and cleanup #452

Job	Run time
Client lint, build, and tests	34s
Packages and VS Code extension	35s
Rust lint and unit tests	2m 16s
Build integration artifacts	2m 8s
Android emulator integration	6m 21s
WebRTC stream benchmark	4m 56s
JS API simulator integration	6m 38s
CLI simulator integration	9m 36s
Rust lint and unit tests	2m 16s
JS API simulator integration	7m 42s
Packages and VS Code extension	35s
Android emulator integration	6m 21s
Client lint, build, and tests	34s
Build integration artifacts	2m 8s
WebRTC stream benchmark	4m 56s
CLI simulator integration	9m 36s
	1h 7m 12s

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