DumpShaderStats doesn't output any shader data

The DumpShaderStats console command doesn't output any shader stats because the code to calculate that information in DumpShaderStats (Shader.cpp) is commented out https://github.com/EpicGames/UnrealEngine/blob/release/Engine/Source/Runtime/RenderCore/Private/Shader.cpp#L1272

1. Open the Editor or Standalone game
2. Run the console command DumpShaderStats

Expected

A .csv is exported containing shader stats

Actual

A .csv is generated but doesn't contain any shader stats