Merge branch 'master' of github.com:grpc/grpc

BUILD

CMakeLists.txt

Makefile

build.yaml

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

include/grpc++/support/error_details.h

src/core/lib/iomgr/sockaddr_utils.c

src/core/lib/slice/slice.c

src/core/lib/transport/pid_controller.c

src/cpp/util/error_details.cc

src/csharp/global.json

src/proto/grpc/status/BUILD

src/proto/grpc/status/README

src/proto/grpc/status/status.proto

templates/CMakeLists.txt.template

test/cpp/util/BUILD

test/cpp/util/error_details_test.cc

tools/distrib/check_copyright.py

tools/internal_ci/README.md

tools/internal_ci/linux/grpc_portability.cfg