Adding seperate array for deprecated format of IR samples
Routes block size setting to appropriate underlying algorithm implementation
#jira none
#rb Maxwell.Hayes
#lockdown nick.whiting
[FYI] Dan.Reynolds
#ROBOMERGE-SOURCE: CL 12511497 in //UE4/Release-4.25/... via CL 12511514 via CL 12511527
#ROBOMERGE-BOT: RELEASE (Release-Engine-Staging -> Main) (v673-12478461)
[CL 12511531 by phil popp in Main branch]
#rb none
#jira UE-91291
#lockdown nick.whiting
#ROBOMERGE-SOURCE: CL 12491878 in //UE4/Release-4.25/... via CL 12491879 via CL 12491883
#ROBOMERGE-BOT: RELEASE (Release-Engine-Staging -> Main) (v673-12478461)
[CL 12491889 by phil popp in Main branch]
#rb none
#jira UEAU-432
#ROBOMERGE-SOURCE: CL 12476815 in //UE4/Release-4.25/... via CL 12476818 via CL 12476822
#ROBOMERGE-BOT: RELEASE (Release-Engine-Staging -> Main) (v672-12450963)
[CL 12476828 by phil popp in Main branch]
