refactor: streamline Android display streaming around shared video #500

Job	Run time
Client lint, build, and tests	44s
Packages and VS Code extension	34s
Build integration artifacts	4m 45s
Rust lint and unit tests	1m 50s
Android emulator integration (windows-latest)	9m 45s
Android emulator integration (ubuntu-latest)	3m 29s
CLI simulator integration	0s
JS API simulator integration	0s
WebRTC stream benchmark	0s
	21m 7s

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