feat(bigquerydatatransfer): undeprecate resource name helper methods; add py2 deprecation warning; bump copyright year to 2020 (via synth)

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Commits in this repo since last synth:
01b7fb9 docs(bigquery): typo fix (#10209)
9ad21f4 feat(core): change default api_request() timeout to non-None (#10219)
8a0e129 fix(automl): fix TablesClient.predict for array and struct (#9991)
7e36fda deprecate(bigquery): deprecate client.dataset() in favor of DatasetReference (#7753)
73eac04 chore(recommender): release 0.2.0 (#10204)
c411e14 feat(recommender): add v1, set release level to beta (#10170)
8e7b7f8 feat(api_core): add retry param into PollingFuture() and it's inheritors (#9923)
0280a94 feat(bigquery): check rows argument type in insert_rows() (#10174)

Log from Synthtool

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/synth.py. synthtool > Ensuring dependencies. synthtool > Pulling artman image. latest: Pulling from googleapis/artman Digest: sha256:19e945954fc960a4bdfee6cb34695898ab21a8cf0bac063ee39b91f00a1faec8 Status: Image is up to date for googleapis/artman:latest synthtool > Cloning googleapis. synthtool > Running generator for google/cloud/bigquery/datatransfer/artman_bigquerydatatransfer.yaml. synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/bigquerydatatransfer-v1. synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/bigquery/datatransfer/v1/transfer.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/bigquerydatatransfer-v1/google/cloud/bigquery_datatransfer_v1/proto/transfer.proto synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/bigquery/datatransfer/v1/datatransfer.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/bigquerydatatransfer-v1/google/cloud/bigquery_datatransfer_v1/proto/datatransfer.proto synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/bigquerydatatransfer-v1/google/cloud/bigquery_datatransfer_v1/proto. synthtool > Replaced 'from google.cloud.bigquery.datatransfer_v1.proto' in google/cloud/bigquery_datatransfer_v1/proto/datatransfer_pb2.py. synthtool > Replaced 'from google.cloud.bigquery.datatransfer_v1.proto' in google/cloud/bigquery_datatransfer_v1/proto/datatransfer_pb2_grpc.py. synthtool > Replaced 'google-cloud-bigquerydatatransfer' in google/cloud/bigquery_datatransfer_v1/gapic/data_transfer_service_client.py. synthtool > Replaced 'import google.api_core.gapic_v1.method\n' in google/cloud/bigquery_datatransfer_v1/gapic/data_transfer_service_client.py. .coveragerc .flake8 MANIFEST.in docs/_static/custom.css docs/_templates/layout.html noxfile.py.j2 setup.cfg Running session blacken Creating virtual environment (virtualenv) using python3.6 in .nox/blacken pip install black==19.3b0 black docs google tests noxfile.py setup.py samples reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer_v1/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer_v1/gapic/enums.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer_v1/gapic/data_transfer_service_client_config.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer_v1/gapic/transports/data_transfer_service_grpc_transport.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer_v1/proto/datatransfer_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer_v1/gapic/data_transfer_service_client.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer_v1/proto/transfer_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer_v1/types.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/noxfile.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/tests/system/gapic/v1/test_system_data_transfer_service_v1.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer_v1/proto/transfer_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/tests/unit/gapic/v1/test_data_transfer_service_client_v1.py reformatted /tmpfs/src/git/autosynth/working_repo/bigquery_datatransfer/google/cloud/bigquery_datatransfer_v1/proto/datatransfer_pb2.py All done! ✨ 🍰 ✨ 16 files reformatted, 12 files left unchanged. Session blacken was successful. synthtool > Wrote metadata to synth.metadata.