Buildifier and wrapping test/cpp/* rules with our build system.

BUILD

bazel/BUILD

bazel/grpc_build_system.bzl

examples/cpp/helloworld/BUILD

src/proto/grpc/testing/BUILD

test/core/client_channel/BUILD

test/core/client_channel/resolvers/BUILD

test/core/end2end/BUILD

test/core/end2end/fuzzers/BUILD

test/core/fling/BUILD

test/core/http/BUILD

test/core/iomgr/BUILD

test/core/json/BUILD

test/core/nanopb/BUILD

test/core/network_benchmarks/BUILD

test/core/security/BUILD

test/core/slice/BUILD

test/core/support/BUILD

test/core/transport/BUILD

test/core/transport/chttp2/BUILD