Merge branch 'master' into sreek-epoll1

.github/CODEOWNERS

BUILD

CMakeLists.txt

Makefile

OWNERS

bazel/OWNERS

bazel/cc_grpc_library.bzl

bazel/generate_cc.bzl

bazel/grpc_build_system.bzl

build.yaml

cmake/OWNERS

doc/OWNERS

doc/environment_variables.md

etc/OWNERS

examples/BUILD

examples/node/OWNERS

include/OWNERS

include/grpc++/impl/codegen/config_protobuf.h

include/grpc++/impl/codegen/proto_utils.h

include/grpc++/impl/codegen/status.h