refactor: streamline Android display streaming around shared video #509

Job	Run time
Build integration artifacts	3m 1s
Rust lint and unit tests	1m 23s
Packages and VS Code extension	32s
Client lint, build, and tests	36s
Android emulator integration (windows-latest)	13m 14s
Android emulator integration (ubuntu-latest)	5m 57s
WebRTC stream benchmark	5m 49s
JS API simulator integration	4m 59s
CLI simulator integration	10m 14s
	45m 45s

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