Added EditorStartup test
#ROBOMERGE-SOURCE: CL 11943314 via CL 11944263 via CL 11944396 via CL 11944577
#ROBOMERGE-BOT: (v656-11643781)
[CL 11947228 by andrew grant in Main branch]
#jira #rb na
#ROBOMERGE-SOURCE: CL 11806356 in //UE4/Release-4.25/... via CL 11806357
#ROBOMERGE-BOT: RELEASE (Release-4.25Plus -> Main) (v656-11643781)
[CL 11806358 by andrew grant in Main branch]
#ROBOMERGE-SOURCE: CL 11576916 via CL 11576921 via CL 11576922 via CL 11576924
#ROBOMERGE-BOT: (v654-11333218)
[CL 11576925 by andrew grant in Main branch]
Also includes -noshaderddc option for emulating a cold DDC for shaders only.
#rb na
#ROBOMERGE-OWNER: andrew.grant
#ROBOMERGE-AUTHOR: andrew.grant
#ROBOMERGE-SOURCE: CL 11519411 via CL 11519529 via CL 11519553
#ROBOMERGE-BOT: (v654-11333218)
[CL 11524747 by andrew grant in Main branch]