chore(translate): update docstrings, client confg (via synth)

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Here's the log from Synthtool:

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/translate/synth.py. synthtool > Ensuring dependencies. synthtool > Pulling artman image. latest: Pulling from googleapis/artman Digest: sha256:0d2f8d429110aeb8d82df6550ef4ede59d40df9062d260a1580fce688b0512bf Status: Image is up to date for googleapis/artman:latest synthtool > Cloning googleapis. synthtool > Running generator for google/cloud/translate/artman_translate_v3beta1.yaml. synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/translate-v3beta1. synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/translate/v3beta1/translation_service.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/translate-v3beta1/google/cloud/translate_v3beta1/proto/translation_service.proto synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/translate-v3beta1/google/cloud/translate_v3beta1/proto. synthtool > Replaced 'google.cloud.translation_v3beta1.proto' in google/cloud/translate_v3beta1/proto/translation_service_pb2_grpc.py. synthtool > Running generator for google/cloud/translate/artman_translate_v3.yaml. synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/translate-v3. synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/translate/v3/translation_service.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/translate-v3/google/cloud/translate_v3/proto/translation_service.proto synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/translate-v3/google/cloud/translate_v3/proto. synthtool > Replaced 'google.cloud.translation_v3.proto' in google/cloud/translate_v3/proto/translation_service_pb2_grpc.py. synthtool > Replaced "record delimiters are ':raw-latex:`\\\\n`' instead of\n ':raw-latex:`\\\\r`:raw-latex:`\\\\n`'." in google/cloud/translate_v3beta1/proto/translation_service_pb2.py. synthtool > Replaced "record delimiters are ':raw-latex:`\\\\n`' instead of\n ':raw-latex:`\\\\r`:raw-latex:`\\\\n`'." in google/cloud/translate_v3/proto/translation_service_pb2.py. synthtool > Replaced '__doc__ = """Attributes:' in google/cloud/translate_v3beta1/proto/translation_service_pb2.py. synthtool > Replaced '__doc__ = """Attributes:' in google/cloud/translate_v3/proto/translation_service_pb2.py. synthtool > Replaced 'This field has the same length as \\[``contents`\n\\s+`\\]\\[google\\.cloud\\.translation\\.v3beta1\\.TranslateTextRequest\\.conte\n\\s+nts\\]\\.' in google/cloud/translate_v3beta1/proto/translation_service_pb2.py. .coveragerc .flake8 MANIFEST.in 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 reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3/gapic/translation_service_client_config.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3/gapic/transports/translation_service_grpc_transport.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3/types.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3beta1/__init__.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3/proto/translation_service_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3beta1/gapic/translation_service_client_config.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3beta1/gapic/transports/translation_service_grpc_transport.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3/gapic/translation_service_client.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3beta1/gapic/translation_service_client.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3beta1/types.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3beta1/proto/translation_service_pb2_grpc.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/noxfile.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/tests/unit/gapic/v3/test_translation_service_client_v3.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/tests/unit/gapic/v3beta1/test_translation_service_client_v3beta1.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3/proto/translation_service_pb2.py reformatted /tmpfs/src/git/autosynth/working_repo/translate/google/cloud/translate_v3beta1/proto/translation_service_pb2.py All done! ✨ 🍰 ✨ 17 files reformatted, 20 files left unchanged. Session blacken was successful. synthtool > Cleaned up 3 temporary directories. synthtool > Wrote metadata to synth.metadata.