[task scheduler] Move files from build_scheduler/ to task_scheduler/

task_scheduler/go/db/local_db/local_db.go

 package local_db
 
 import (
         "bytes"
         "encoding/binary"
         "encoding/gob"
         "fmt"
         "net/http"
         "sort"
         "strconv"
         "strings"
         "sync"
         "time"
 
         "github.com/boltdb/bolt"
         "github.com/gorilla/mux"
         "github.com/skia-dev/glog"
-        "go.skia.org/infra/build_scheduler/go/db"
         "go.skia.org/infra/go/boltutil"
         "go.skia.org/infra/go/httputils"
         "go.skia.org/infra/go/metrics2"
         "go.skia.org/infra/go/util"
+        "go.skia.org/infra/task_scheduler/go/db"
 )
 
 const (
         // BUCKET_TASKS is the name of the Tasks bucket. Key is Task.Id, which is set
         // to (creation time, sequence number) (see formatId for detail), value is
         // described in docs for BUCKET_TASKS_VERSION. Tasks will be updated in place.
         // All repos share the same bucket.
         BUCKET_TASKS = "tasks"
         // BUCKET_TASKS_FILL_PERCENT is the value to set for bolt.Bucket.FillPercent
         // for BUCKET_TASKS. BUCKET_TASKS will be append-mostly, so use a high fill
@@ skipping 487 matching lines @@
                         _, err := tx.WriteTo(w)
                         return err
                 }); err != nil {
                         glog.Errorf("Failed to create DB backup: %s", err)
                         httputils.ReportError(w, r, err, "Failed to create DB backup")
                 }
         })
         http.Handle("/", httputils.LoggingGzipRequestResponse(r))
         return http.ListenAndServe(port, nil)
 }