Move Face sdk to vision folder

[zihyunting]

Description

Move Face SDK to vision folder.
sdk/face/azure-ai-vision-face -> sdk/vision/azure-ai-vision-face

All SDK Contribution checklist:

• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.

General Guidelines and Best Practices

• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

[zihyunting]

/azp run python - face - ci

[azure-pipelines]

Azure Pipelines could not run because the pipeline triggers exclude this branch/path.

[zihyunting]

/azp run python - face - ci

[azure-pipelines]

Azure Pipelines could not run because the pipeline triggers exclude this branch/path.

[zihyunting]

/azp run python - vision - ci

[azure-pipelines]

No pipelines are associated with this pull request.

[zihyunting]

/azp run python - azure-ai-vision-face - ci

[azure-pipelines]

No pipelines are associated with this pull request.

[zihyunting]

/azp run python - vision

[azure-pipelines]

No pipelines are associated with this pull request.

[zihyunting]

/azp run python vision

[azure-pipelines]

No pipelines are associated with this pull request.

[tadelesh]

/azp prepare-pilpeline

[azure-pipelines]

Command 'prepare-pilpeline' is not supported by Azure Pipelines.

Supported commands

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See additional documentation.

[tadelesh]

/azp run prepare-pipelines

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[zihyunting]

/azp run python - vision - ci

[azure-pipelines]

No pipelines are associated with this pull request.

[zihyunting]

/azp run python - vision

[azure-pipelines]

No pipelines are associated with this pull request.

[tadelesh]

/azp run python - vision - ci

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[azure-sdk]

API change check

APIView has identified API level changes in this PR and created following API reviews.

azure-ai-vision-face