Adding bluetooth apex am: 247b0cd475 am: 2e924f12ef am: 841490a82e

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/protobuf/+/1931537

Change-Id: I5bcd2a3b4d31107effaaa95eff3722bc0ad744a6
tree: 89f22473eab4addf8062424122e9765d87c983b5
  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
  16. TEST_MAPPING
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.