The WORKSPACE file now pulls third_party dependencies directly instead of requiring a git submodule init and update.
The git hashes pulled by Bazel are exactly the same as the git submodules checked into third_party.
A tiny bit of complexity comes from the c-ares project's use of ares_config.h.cmake and ares_build.c.cmake.
The current solution to this problem is to check in a valid ares_config.h and a few valid ares_config.h files.
This is the same general approach used still, but ares_config.h and ares_build.h are supplied to cares.BUILD
from the only remaining local_repository, which serves only to export these two header files.
The client binary can be built with 'bazel build //tools/grpcz:grpcz_client' and
can be invoked with bazel-bin/tools/grpcz/grpcz_client --server SERVER_ADDR:PORT
You can see the stats page at http://localhost:8000/grpcz