Set up to_do_mvc to build for Android. #1444

Job	Run time
cargo check (msrv) (wasm32)	25s
cargo check (msrv) (windows-latest)	1m 42s
cargo check (aarch64-android)	37s
cargo check (msrv) (macos-latest)	56s
cargo clippy (windows-latest)	3m 15s
cargo check (msrv) (ubuntu-latest)	1m 0s
cargo clippy (wasm32)	1m 39s
cargo clippy (macos-latest)	2m 26s
cargo doc	1m 38s
cargo clippy (ubuntu-latest)	2m 51s
formatting	32s
Prime LFS Cache	4s
cargo test (wasm32)	40s
typos	5s
cargo test (windows-latest)	5m 47s
cargo test (macos-latest)	1m 39s
cargo test (ubuntu-latest)	4m 50s
	30m 6s

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