protobuf

Decay references to repeated primitives to avoid leaking references to the backing container in `erase_if`/`sort`/`stable_sort` callbacks.

Auto-generate files after cl/885741884

Pass `string_view` arguments down to `cmp` callback for `proto2::sort` / `proto2::stable_sort`.

Reorder generated inline accessors for repeated message fields.

Refactor cord_field generator to use `io::Printer` and formatted string literals.