This PR was generated using Autosynth. 🌈


<details><summary>Log from Synthtool</summary>

```
2020-04-21 06:25:51,092 synthtool > Executing /tmpfs/src/git/autosynth/working_repo/synth.py.
On branch autosynth
nothing to commit, working tree clean
2020-04-21 06:25:51,163 synthtool > Ensuring dependencies.
2020-04-21 06:25:51,816 synthtool > Cloning googleapis.
2020-04-21 06:25:52,475 synthtool > Generating code for: //google/cloud/secrets/v1beta1:secretmanager-v1beta1-py.
2020-04-21 06:25:56,032 synthtool > Generated code into /tmpfs/tmp/tmp_tzv9ikr.
2020-04-21 06:25:56,052 synthtool > Replaced 'from google\\.cloud\\.secrets_v1beta1\\.proto' in google/cloud/secretmanager_v1beta1/proto/service_pb2.py.
2020-04-21 06:25:56,052 synthtool > Replaced 'from google\\.cloud\\.secrets_v1beta1\\.proto' in google/cloud/secretmanager_v1beta1/proto/service_pb2_grpc.py.
2020-04-21 06:25:56,053 synthtool > Generating code for: //google/cloud/secretmanager/v1:secretmanager-v1-py.
2020-04-21 06:25:59,839 synthtool > Generated code into /tmpfs/tmp/tmpg109q92b.
2020-04-21 06:25:59,855 synthtool > No files in sources /tmpfs/tmp/tmpg109q92b/google/cloud/secrets_v1/proto were copied. Does the source contain files?
2020-04-21 06:25:59,858 synthtool > No replacements made in google/cloud/**/proto/*.py for pattern from google\.cloud\.secrets_v1\.proto, maybe replacement is no longer needed?
2020-04-21 06:25:59,859 synthtool > No replacements made in google/**/gapic/transports/*_grpc_transport.py for pattern from google.iam.v1 import iam_policy_pb2 , maybe replacement is no longer needed?
2020-04-21 06:25:59,865 synthtool > No replacements made in **/*_pb2.py for pattern (\# -\*- coding: utf-8 -\*-\n)(\# Generated by the protocol buffer compiler\.  DO NOT EDIT!.*?import sys), maybe replacement is no longer needed?
2020-04-21 06:25:59,866 synthtool > Replaced '(\\# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!)\n(import grpc)' in google/cloud/secretmanager_v1beta1/proto/resources_pb2_grpc.py.
2020-04-21 06:25:59,867 synthtool > Replaced '(\\# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!)\n(import grpc)' in google/cloud/secretmanager_v1beta1/proto/service_pb2_grpc.py.
2020-04-21 06:25:59,867 synthtool > Replaced '(\\# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!)\n(import grpc)' in google/cloud/secretmanager_v1/proto/resources_pb2_grpc.py.
2020-04-21 06:25:59,867 synthtool > Replaced '(\\# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!)\n(import grpc)' in google/cloud/secretmanager_v1/proto/service_pb2_grpc.py.
2020-04-21 06:25:59,869 synthtool > Replaced 'google-cloud-secretmanager' in docs/conf.py.
2020-04-21 06:25:59,871 synthtool > Replaced 'google-cloud-secretmanager' in google/cloud/secretmanager_v1/gapic/secret_manager_service_client.py.
2020-04-21 06:25:59,874 synthtool > Replaced 'google-cloud-secrets' in google/cloud/secretmanager_v1beta1/gapic/secret_manager_service_client.py.
2020-04-21 06:25:59,877 synthtool > No replacements made in README.rst for pattern https://cloud\.google\.com/secrets, maybe replacement is no longer needed?
.coveragerc
.flake8
.github/CONTRIBUTING.md
.github/ISSUE_TEMPLATE/bug_report.md
.github/ISSUE_TEMPLATE/feature_request.md
.github/ISSUE_TEMPLATE/support_request.md
.github/PULL_REQUEST_TEMPLATE.md
.github/release-please.yml
.gitignore
.kokoro/build.sh
.kokoro/continuous/common.cfg
.kokoro/continuous/continuous.cfg
.kokoro/docs/common.cfg
.kokoro/docs/docs.cfg
.kokoro/presubmit/common.cfg
.kokoro/presubmit/presubmit.cfg
.kokoro/publish-docs.sh
.kokoro/release.sh
.kokoro/release/common.cfg
.kokoro/release/release.cfg
.kokoro/trampoline.sh
CODE_OF_CONDUCT.md
CONTRIBUTING.rst
LICENSE
MANIFEST.in
docs/_static/custom.css
docs/_templates/layout.html
docs/conf.py.j2
noxfile.py.j2
renovate.json
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/google/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/docs/conf.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1/gapic/secret_manager_service_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1/proto/resources_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1/gapic/transports/secret_manager_service_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1/proto/service_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1beta1/__init__.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1beta1/gapic/enums.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1/proto/resources_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1/gapic/secret_manager_service_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1beta1/gapic/secret_manager_service_client_config.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1beta1/gapic/transports/secret_manager_service_grpc_transport.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1beta1/proto/resources_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1beta1/gapic/secret_manager_service_client.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1/proto/service_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1beta1/types.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1beta1/proto/resources_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/noxfile.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1beta1/proto/service_pb2_grpc.py
reformatted /tmpfs/src/git/autosynth/working_repo/tests/unit/gapic/v1beta1/test_secret_manager_service_client_v1beta1.py
reformatted /tmpfs/src/git/autosynth/working_repo/google/cloud/secretmanager_v1beta1/proto/service_pb2.py
reformatted /tmpfs/src/git/autosynth/working_repo/tests/unit/gapic/v1/test_secret_manager_service_client_v1.py
All done! ✨ 🍰 ✨
27 files reformatted, 7 files left unchanged.
Session blacken was successful.
2020-04-21 06:26:05,683 synthtool > Wrote metadata to synth.metadata.

```
</details>

Release-As: 1.0.0

* updated CHANGELOG.md [ci skip]

* updated setup.cfg [ci skip]

* updated setup.py [ci skip]

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>