Merge changes I5f12df88,Ib2b1b6be

* changes:
  Rename gr-messages-list-experimental to gr-messages-list
  Remove the cleaner change log experiment
diff --git a/plugins/BUILD b/plugins/BUILD
index a071bde..943471a 100644
--- a/plugins/BUILD
+++ b/plugins/BUILD
@@ -49,6 +49,7 @@
     "//java/com/google/gerrit/server/audit",
     "//java/com/google/gerrit/server/cache/mem",
     "//java/com/google/gerrit/server/cache/serialize",
+    "//java/com/google/gerrit/server/data",
     "//java/com/google/gerrit/server/logging",
     "//java/com/google/gerrit/server/schema",
     "//java/com/google/gerrit/server/util/time",
diff --git a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.js b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.js
index fa686da..eb68024 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.js
+++ b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread.js
@@ -247,7 +247,7 @@
   _computeDisplayPath(path) {
     const displayPath = this.computeDisplayPath(path);
     if (displayPath === SpecialFilePath.PATCHSET_LEVEL_COMMENTS) {
-      return `Patchset ${this.patchNum}`;
+      return `Patchset`;
     }
     return displayPath;
   }
diff --git a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.js b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.js
index 3837514..db5ade1 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.js
+++ b/polygerrit-ui/app/elements/shared/gr-comment-thread/gr-comment-thread_test.js
@@ -208,7 +208,7 @@
 
       element.patchNum = '3';
       path = SpecialFilePath.PATCHSET_LEVEL_COMMENTS;
-      assert.equal(element._computeDisplayPath(path), 'Patchset 3');
+      assert.equal(element._computeDisplayPath(path), 'Patchset');
     });
 
     test('_computeDisplayLine', () => {