Merge branch 'master' into surface_test_bazel

CMakeLists.txt

Makefile

WORKSPACE

build.yaml

include/grpc/impl/codegen/atm_gcc_atomic.h

src/core/ext/transport/chttp2/server/chttp2_server.c

src/core/lib/channel/handshaker.c

src/core/lib/channel/handshaker.h

src/core/lib/support/sync_posix.c

src/objective-c/tests/CronetUnitTests/CronetUnitTests.m

src/ruby/lib/grpc/generic/client_stub.rb

test/core/internal_api_canaries/iomgr.c

test/core/internal_api_canaries/support.c

test/cpp/microbenchmarks/bm_closure.cc

test/cpp/microbenchmarks/bm_cq.cc

test/cpp/microbenchmarks/bm_fullstack.cc

test/cpp/util/BUILD

third_party/gflags

tools/internal_ci/linux/grpc_interop_badserver_java.cfg

tools/internal_ci/linux/grpc_interop_badserver_java.sh