Datacatalog: Allow kwargs to be passed to create_channel (via synth).

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Here's the log from Synthtool:

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/datacatalog/synth.py. synthtool > Ensuring dependencies. synthtool > Pulling artman image. latest: Pulling from googleapis/artman Digest: sha256:6ced5a36b08b82a328c69844e629300d58c14067f25cadab47f52542bdef7daf Status: Image is up to date for googleapis/artman:latest synthtool > Cloning googleapis. synthtool > Running generator for google/cloud/datacatalog/artman_datacatalog_v1beta1.yaml. synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1. synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/timestamps.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/timestamps.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/schema.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/schema.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/tags.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/tags.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/table_spec.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/table_spec.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/search.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/search.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/datacatalog/v1beta1/datacatalog.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto/datacatalog.proto synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/datacatalog-v1beta1/google/cloud/datacatalog_v1beta1/proto. synthtool > Replaced '__doc__ = """Attributes:' in google/cloud/datacatalog_v1beta1/proto/tags_pb2.py. synthtool > Replaced '__doc__ = """Attributes:' in google/cloud/datacatalog_v1beta1/proto/datacatalog_pb2.py. .coveragerc .flake8 MANIFEST.in noxfile.py.j2 setup.cfg Running session blacken Creating virtualenv using python3.6 in .nox/blacken pip install black black docs google tests noxfile.py setup.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/gapic/enums.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/gapic/transports/data_catalog_grpc_transport.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/gapic/data_catalog_client_config.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/schema_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/schema_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/datacatalog_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/search_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/search_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/table_spec_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/table_spec_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/tags_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/gapic/data_catalog_client.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/timestamps_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/types.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/timestamps_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/noxfile.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/tags_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/tests/unit/gapic/v1beta1/test_data_catalog_client_v1beta1.py reformatted /tmpfs/src/git/autosynth/working_repo/datacatalog/google/cloud/datacatalog_v1beta1/proto/datacatalog_pb2.py All done! ✨ 🍰 ✨ 22 files reformatted, 6 files left unchanged. Session blacken was successful. synthtool > Cleaned up 2 temporary directories. synthtool > Wrote metadata to synth.metadata.