devapp: hide CLs with hashtag wait-author

Updates golang/go#24836

Change-Id: I9964dc7ec2de21201b9258709803623482aa4104
Reviewed-on: https://go-review.googlesource.com/108219
Reviewed-by: Andrew Bonventre <[email protected]>

Author: bradfitz

devapp/reviews.go

@@ -117,6 +117,9 @@ func (s *server) updateReviewsData() {
 			if strings.Contains(cl.Commit.Msg, "DO NOT REVIEW") || strings.Contains(cl.Commit.Msg, "DO NOT SUBMIT") {
 				return nil
 			}
+			if cl.Meta.Hashtags().Contains("wait-author") {
+				return nil
+			}
 			c := &change{GerritCL: cl}
 			c.LastUpdate = cl.Commit.CommitTime
 			if len(cl.Messages) > 0 {

devapp/templates/reviews.tmpl

@@ -54,7 +54,7 @@ header {
 <header>
 <strong>{{.TotalChanges}} open changes</strong>
 <div class="header-subtitle">
-  Excluding those with “DO NOT REVIEW” and “DO NOT SUBMIT” in the change description
+  Excluding those with hashtag "wait-author" or description containing “DO NOT REVIEW” or “DO NOT SUBMIT”
 </div>
 <div class="header-subtitle">
   <a href="https://go.googlesource.com/build/+/master/devapp/reviews.go">Source code</a>
@@ -74,4 +74,4 @@ header {
     </div>
 		{{end}}
 	{{end}}
-{{end}}
+{{end}}