Add swagger spec for Providers.Test RP for testing ARM manifest check…

[AkhilaIlla]

This PR is generated just so that it can be used to test the ARM manifest check-in validation: https://msazure.visualstudio.com/One/_git/AzureUX-ARM/pullrequest/11161320?iteration=39&path=/src/frontdoor/Roles/Frontdoor.Admin/Controllers/ResourceProviderOperationController.cs.
This will not be merged in & deleted/removed once tested.

[openapi-pipeline-app]

Next Steps to Merge

Next steps that must be taken to merge this PR:

• ❌ This is the public specs repo main branch which is not intended for iterative development.
  You must acknowledge that you understand that after this PR is merged, you won't be able to stop your changes from being published to Azure customers.
  If this is what you intend, add PublishToCustomers label to your PR.
  Otherwise, retarget this PR onto a feature branch, i.e. with prefix release- (see aka.ms/azsdk/api-versions#release--branches).
• ❌ This PR is in purview of the ARM review (label: ARMReview). This PR must get ARMSignedOff label from an ARM reviewer.
  This PR is not ready for ARM review (label: NotReadyForARMReview). This PR will not be reviewed by ARM until relevant problems are fixed. Consult the rest of this Next Steps to Merge comment for details.
  Once the blocking problems are addressed, add to the PR a comment with contents /azp run. Automation will re-evaluate this PR and if everything looks good, it will add WaitForARMFeedback label which will put this PR on the ARM review queue.
  For details of the ARM review, see aka.ms/azsdk/pr-arm-review
  
• ❌ This PR is NotReadyForARMReview because it has the CI-NewRPNamespaceWithoutRPaaS label.
  
• ❌ This PR has CI-NewRPNamespaceWithoutRPaaS label. This means it is introducing a new RP (Resource Provider) namespace that has not been onboarded with RPaaS. Merging this PR to the main branch is blocked as RPaaS is required for new RPs.
  To resolve, use RPaaS to onboard the new RP. To apply for exception, see aka.ms/RPaaSException.
• ❌ The required check named TypeSpec Requirement has failed. Refer to the check in the PR's 'Checks' tab for details on how to fix it and consult the aka.ms/ci-fix guide

[openapi-pipeline-app]

PR validation pipeline started successfully. If there is ApiView generated, it will be updated in this comment.

[azure-sdk]

API change check

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

Providers.Test