Upgrade rust/crates/protobuf to 2.17.0

* Android.bp was regenerated. New rustc warnings were found.
* Keep local change in src/lib.rs to include out/version.rs.
* Update out/version.rs to the new version.

Change-Id: I9c2f7d412dcd42fe3769505629e05ab949300fe6
Test: make
47 files changed
tree: 70d61044bd36b38545f408b9e807ced1f6dc3779
  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. LICENSE.txt
  10. METADATA
  11. MODULE_LICENSE_BSD_LIKE
  12. OWNERS
  13. README.md
  14. 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.