feat: add celebrity face detection

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

synthtool > Executing /tmpfs/src/git/autosynth/working_repo/synth.py.
synthtool > Ensuring dependencies.
synthtool > Pulling artman image.
latest: Pulling from googleapis/artman
Digest: sha256:75b38a3b073a7b243545f2332463096624c802bb1e56b8cb6f22ba1ecd325fa9
Status: Image is up to date for googleapis/artman:latest
synthtool > Cloning googleapis.
synthtool > Running generator for google/cloud/vision/artman_vision_v1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/js/vision-v1.
synthtool > Running generator for google/cloud/vision/artman_vision_v1p1beta1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/js/vision-v1p1beta1.
synthtool > Running generator for google/cloud/vision/artman_vision_v1p2beta1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/js/vision-v1p2beta1.
synthtool > Running generator for google/cloud/vision/artman_vision_v1p3beta1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/js/vision-v1p3beta1.
synthtool > Running generator for google/cloud/vision/artman_vision_v1p4beta1.yaml.
synthtool > Generated code into /home/kbuilder/.cache/synthtool/googleapis/artman-genfiles/js/vision-v1p4beta1.
.eslintignore
.eslintrc.yml
.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
.jsdoc.js
.kokoro/common.cfg
.kokoro/continuous/node10/common.cfg
.kokoro/continuous/node10/docs.cfg
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.kokoro/continuous/node12/common.cfg
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.kokoro/docs.sh
.kokoro/lint.sh
.kokoro/presubmit/node10/common.cfg
.kokoro/presubmit/node10/docs.cfg
.kokoro/presubmit/node10/lint.cfg
.kokoro/presubmit/node10/samples-test.cfg
.kokoro/presubmit/node10/system-test.cfg
.kokoro/presubmit/node10/test.cfg
.kokoro/presubmit/node12/common.cfg
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.nycrc
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CODE_OF_CONDUCT.md
CONTRIBUTING.md
LICENSE
README.md
codecov.yaml
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samples/README.md
synthtool > Replaced 'https:\\/\\/cloud\\.google\\.com[\\s\\*]*http:\\/\\/(.*)[\\s\\*]*\\)' in src/v1p3beta1/doc/google/protobuf/doc_timestamp.js.
synthtool > Replaced 'https:\\/\\/cloud\\.google\\.com[\\s\\*]*http:\\/\\/(.*)[\\s\\*]*\\)' in src/v1p4beta1/doc/google/protobuf/doc_timestamp.js.
synthtool > Replaced 'https:\\/\\/cloud\\.google\\.com[\\s\\*]*http:\\/\\/(.*)[\\s\\*]*\\)' in src/v1/doc/google/protobuf/doc_timestamp.js.
synthtool > No replacements made in **/doc/google/protobuf/doc_timestamp.js for pattern toISOString\], maybe replacement is not longer needed?
npm WARN npm npm does not support Node.js v12.13.0
npm WARN npm You should probably upgrade to a newer version of node as we
npm WARN npm can't make any promises that npm will work with this version.
npm WARN npm Supported releases of Node.js are the latest release of 6, 8, 9, 10, 11.
npm WARN npm You can find the latest version at https://nodejs.org/

> core-js@2.6.10 postinstall /tmpfs/src/git/autosynth/working_repo/node_modules/core-js
> node postinstall || echo "ignore"


> protobufjs@6.8.8 postinstall /tmpfs/src/git/autosynth/working_repo/node_modules/protobufjs
> node scripts/postinstall

npm notice created a lockfile as package-lock.json. You should commit this file.
added 654 packages from 1208 contributors and audited 1970 packages in 12.585s
found 0 vulnerabilities

npm WARN npm npm does not support Node.js v12.13.0
npm WARN npm You should probably upgrade to a newer version of node as we
npm WARN npm can't make any promises that npm will work with this version.
npm WARN npm Supported releases of Node.js are the latest release of 6, 8, 9, 10, 11.
npm WARN npm You can find the latest version at https://nodejs.org/

> @google-cloud/vision@1.6.0 fix /tmpfs/src/git/autosynth/working_repo
> eslint --fix '**/*.js'

installing semver@^5.5.0
installing minimist@^1.2.0
installing espree@^3.5.4
synthtool > Cleaned up 2 temporary directories.
synthtool > Wrote metadata to synth.metadata.

[codecov]

Codecov Report

Merging #477 into master will decrease coverage by 0.03%.
The diff coverage is 60%.

@@            Coverage Diff             @@
##           master     #477      +/-   ##
==========================================
- Coverage   67.64%   67.61%   -0.04%     
==========================================
  Files          80       81       +1     
  Lines        1505     1519      +14     
==========================================
+ Hits         1018     1027       +9     
- Misses        487      492       +5

Impacted Files	Coverage Δ
...google/cloud/vision/v1p4beta1/doc_web_detection.js	0% <ø> (ø)	⬆️
...ogle/cloud/vision/v1p4beta1/doc_text_annotation.js	0% <ø> (ø)	⬆️
...oogle/cloud/vision/v1p4beta1/doc_product_search.js	0% <ø> (ø)	⬆️
src/v1p4beta1/image_annotator_client.js	86.48% <ø> (ø)	⬆️
...eta1/doc/google/cloud/vision/v1p4beta1/doc_face.js	0% <0%> (ø)
...oud/vision/v1p4beta1/doc_product_search_service.js	0% <0%> (ø)	⬆️
...ogle/cloud/vision/v1p4beta1/doc_image_annotator.js	0% <0%> (ø)	⬆️
src/v1p4beta1/product_search_client.js	88.57% <100%> (+0.43%)	⬆️

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