Manish Godse

adding composite json scenario.

1

Adding a new dockerfile to use a asp.net R2R composite container image.

### Build https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=809257 ### Build leg reported System.Numerics.Tensors.Tests.TensorSpanTests.TensorExtensionsSpanInTOut ### Pull Request https://github.com/dotnet/runtime/pull/107853 ### Known issue core information ```json { "ErrorMessage" : "Error: Index was outside the bounds of the array.",...