Fixed the re-creation of descriptor sets.
Fixed the re-creation of descriptor sets.

We were accidentally removing all buffer descriptor sets. This was
causing replays to fail.

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