[milo] {buildbucket,buildbot,swarming,logdog} -> backends/*.

milo/appengine/job_source/buildbot/console.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package buildbot
 
 import (
         "fmt"
         "strings"
 
@@ skipping 76 matching lines @@
                                 }
                                 log.Debugf(c,
                                         "Builder %s took %s to query, %s to compute.", builderName,
                                         t2.Sub(t1), clock.Since(c, t2))
                                 return nil
                         }
                 }
         })
         return results, err
 }