Merge pull request #9582 from ctiller/debug_helpers

CMakeLists.txt

Makefile

build.yaml

src/core/ext/client_channel/client_channel.c

src/core/ext/client_channel/client_channel.h

src/core/lib/channel/connected_channel.c

src/core/lib/channel/connected_channel.h

templates/test/core/end2end/end2end_defs.include

test/core/end2end/end2end_nosec_tests.c

test/core/end2end/end2end_tests.c

test/core/util/BUILD

test/core/util/debugger_macros.c

test/core/util/debugger_macros.h

tools/buildgen/plugins/expand_filegroups.py

tools/run_tests/generated/sources_and_headers.json

vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj

...cts/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters

...j/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj

...est_util_unsecure/grpc_test_util_unsecure.vcxproj.filters