Enabling ConvertPdbsToWindowsPdbs

[epananth]

To double check:

• The right tests are in and and the right validation has happened. Guidance: https://github.com/dotnet/core-eng/tree/master/Documentation/Validation

Issue -> #7988

Runtime test for already published build -> https://dev.azure.com/dnceng/internal/_build/results?buildId=1407043&view=logs&j=ba23343f-f710-5af9-782d-5bd26b102304&t=6e277ba4-1c1e-552d-b96f-db0aeb4be20a

Runtime test for fresh build -> https://dev.azure.com/dnceng/internal/_build/results?buildId=1407513&view=results

[ghost]

Hello @epananth!

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[hoyosjs]

hmm the new run doesn't seem to have published any symbols: https://dev.azure.com/dnceng/internal/_build/results?buildId=1407513