Fix for vulkan replay.
Fix for vulkan replay.

I broke this in be626590, as the function table skipped over `pfn` annotated functions, making the function indices go out of sync.

google/agi,Qining/gapid,Qining/gapid,Qining/gapid,Qining/gapid,baldwinn860/gapid,google/gapid,baldwinn860/gapid,baldwinn860/gapid,google/gapid,pmuetschard/gapid,Qining/gapid,google/agi,google/gapid,google/gapid,Qining/gapid,baldwinn860/gapid,google/agi,baldwinn860/gapid,pmuetschard/gapid,google/gapid,baldwinn860/gapid,google/gapid,baldwinn860/gapid,Qining/gapid,google/gapid,pmuetschard/gapid,google/agi,pmuetschard/gapid,google/agi,pmuetschard/gapid,google/agi,google/agi,baldwinn860/gapid,pmuetschard/gapid,pmuetschard/gapid,Qining/gapid,google/agi,google/gapid,pmuetschard/gapid