Update dependencies from dotnet/corefx (dotnet/coreclr#27431)
* Update dependencies from https://github.com/dotnet/corefx build
20191024.13
- Microsoft.NETCore.Platforms - 5.0.0-alpha.1.19524.13
- Microsoft.Private.CoreFx.NETCoreApp - 5.0.0-alpha.1.19524.13
* Update dependencies from https://github.com/dotnet/corefx build
20191024.14
- Microsoft.NETCore.Platforms - 5.0.0-alpha.1.19524.14
- Microsoft.Private.CoreFx.NETCoreApp - 5.0.0-alpha.1.19524.14
* Update dependencies from https://github.com/dotnet/corefx build
20191025.6
- Microsoft.NETCore.Platforms - 5.0.0-alpha.1.19525.6
- Microsoft.Private.CoreFx.NETCoreApp - 5.0.0-alpha.1.19525.6
* Workaround https://github.com/dotnet/coreclr/issues/27465
Signed-off-by: dotnet-bot <dotnet-bot@microsoft.com>