[master] Update dependencies from dotnet/core-setup (dotnet/coreclr#27527)

[master] Update dependencies from dotnet/core-setup (dotnet/coreclr#27527)

* Update dependencies from https://github.com/dotnet/core-setup build 20191028.5

- Microsoft.NETCore.App - 5.0.0-alpha.1.19528.5

* Update dependencies from https://github.com/dotnet/core-setup build 20191030.10

- Microsoft.NETCore.App - 5.0.0-alpha.1.19530.10

* Update dependencies from https://github.com/dotnet/core-setup build 20191031.19

- Microsoft.NETCore.App - 5.0.0-alpha.1.19531.19

* Remove Microsoft.WindowsDesktop.App from KnownFrameworkReference items
when building test host for corefx tests

Commit migrated from https://github.com/dotnet/coreclr/commit/e4863f47ec226fb1dd0b20cf953944237c87883c