Add support for SupportedFormats capability annotation.

[darrelmiller]

The SupportedFormats annotation indicates which media types are supported for an entity container. The presence of this annotation should cause SDKs to support adding a format query parameter to a request.

https://github.com/oasis-tcs/odata-vocabularies/blob/master/vocabularies/Org.OData.Capabilities.V1.xml#L135

This feature is used by DriveItem and a many of our reports.
https://docs.microsoft.com/en-us/graph/api/driveitem-get-content-format?view=graph-rest-1.0&tabs=http
AB#7603

[baywet]

closing since this is now supported by the conversion library https://github.com/microsoft/OpenAPI.NET.OData/blob/6272df950c515e4681e93994a38299c65d6013b6/test/Microsoft.OpenAPI.OData.Reader.Tests/Edm/EdmVocabularyAnnotationExtensionsTests.cs#L125