Enable IBC optimization for repos that need it

[mmitche]

Ngen/opt/IBC optimization is used in a few places. Right now this is disabled because the VMR always builds officially and this attempts to pull in the IBC data. Pulling in the IBC requires:

4039

3934 (so as to not run this by default when a dev builds)

Once these are resolved, we should enable IBC data for the following repos. This is probably pretty easy, just involving passing the access tokens (System.AccesToken), team names, etc. via the repo projects.

Based on the places that restore the internal tooling right now, this is probably:

• [ ] fsharp
• [ ] msbuild
• [ ] razor
• [ ] roslyn
• [ ] runtime
• [ ] test-templates (not sure why this would be)
• [ ] vstest

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