This adds more information about the distributed shader compiler to the compile stats. As an example from the UBA default settings when launching Lyra:
"LogShaderCompilers: Display: Highest number of remote agents active in parallel: 15 (480 active cores peak)"
#jira UE-206317
#rb Jason.Nadro
#rnx
[CL 31308083 by laura hermanns in ue5-main branch]
- Also removed the previous FastBuild shader compiler integration based on an older API.
- Made Distributed Build controller selection OS-agnostic.
#review-16452691 @Ben.Ingram, @Jason.Nadro, @Will.Damon, @Brandon.Schaefer, @James.Singer, @Rolando.Caloca
[CL 16476321 by savagecodes in ue5-main branch]
