- This is based off BuildPhysx.Automation.cs and could be unified with this in the future.
- Update some CMakeLists.txt to support this.
- Convert ICU CMakeLists.txt to support cmake 3.5.2 that ships with the engine.
- Fix up some whitespace in BuildPhysX.
[at]brian.white
#jira UE-81798
#ROBOMERGE-SOURCE: CL 11597283 in //UE4/Release-4.25/... via CL 11597290
#ROBOMERGE-BOT: RELEASE (Release-4.25Plus -> Main) (v655-11596533)
[CL 11597322 by anthony bills in Main branch]