Fuzzer now deduplicates on the analysis side instead of the download side

fuzzer/go/data/stacktrace_test.go

 package data
 
 import (
         "path/filepath"
         "reflect"
         "strings"
         "testing"
 
         "go.skia.org/infra/fuzzer/go/common"
         "go.skia.org/infra/go/testutils"
@@ skipping 416 matching lines @@
                 t.Errorf("Top frame was wrong.  Expected: %#v, but was %#v", expected, frame)
         }
 
         if len(result.Release.StackTrace.Frames) != 1 {
                 t.Errorf("Should not have had empty release stacktrace")
         }
         if frame := result.Release.StackTrace.Frames[0]; frame.LineNumber != expected.LineNumber || frame.FunctionName != expected.FunctionName || frame.FileName != expected.FileName || frame.PackageName != expected.PackageName {
                 t.Errorf("Top frame was wrong.  Expected: %#v, but was %#v", expected, frame)
         }
 }