KMS: Retry idempotent codes for Encyrpt, Decrypt, Asymmetric Decrypt, Asymmetric Sign (via synth).

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Here's the log from Synthtool:

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/kms/synth.py.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:d9597f983d1d4e61272c63cb97b7d8f8234da9999526c35d357de3d781f0ec1b
Status: Image is up to date for googleapis/artman:latest
synthtool > Cloning googleapis.
synthtool > Running generator for google/cloud/kms/artman_cloudkms.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/kms-v1.
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/kms/v1/service.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/kms-v1/google/cloud/kms_v1/proto/service.proto
synthtool > Copy: /home/kbuilder/.cache/synthtool/googleapis/google/cloud/kms/v1/resources.proto to /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/kms-v1/google/cloud/kms_v1/proto/resources.proto
synthtool > Placed proto files into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/python/kms-v1/google/cloud/kms_v1/proto.
.coveragerc
.flake8
MANIFEST.in
noxfile.py.j2
setup.cfg
Running session blacken
Creating virtualenv using python3.6 in /tmpfs/src/git/autosynth/working_repo/kms/.nox/blacken
pip install black
black google tests docs
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms_v1/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms_v1/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms_v1/gapic/transports/key_management_service_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms_v1/proto/resources_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms_v1/gapic/key_management_service_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms_v1/proto/service_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms_v1/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms_v1/gapic/key_management_service_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms_v1/proto/resources_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/tests/unit/gapic/v1/test_key_management_service_client_v1.py
reformatted /tmpfs/src/git/autosynth/working_repo/kms/google/cloud/kms_v1/proto/service_pb2.py
All done! ✨ 🍰 ✨
14 files reformatted, 5 files left unchanged.
Session blacken was successful.
synthtool > Cleaned up 2 temporary directories.
synthtool > Wrote metadata to synth.metadata.