Upgrade rust/crates/protobuf to 2.24.1 am: 7c6935bfad am: a9ed1b297d am: 66a619045b

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/protobuf/+/1742655

Change-Id: I17d3454a48380a55cabb6916a4b97dcfeafecbf3
tree: c6a580626d5e0c1e535e2e43ba33adedcdfbdd41
  1. benches/
  2. out/
  3. src/
  4. .cargo_vcs_info.json
  5. Android.bp
  6. build.rs
  7. Cargo.toml
  8. Cargo.toml.orig
  9. cargo2android.json
  10. LICENSE.txt
  11. METADATA
  12. MODULE_LICENSE_MIT
  13. OWNERS
  14. README.md
  15. regenerate.sh
README.md

How to develop rust-protobuf itself

cargo test --all to build everything.

If code generator is changed, code needs to be regenerated, see regenerate.sh.