Fix a bug where trace times were completely wrong.
Fix a bug where trace times were completely wrong.

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