Merge changes I477eda7b,I29539813,I12bb9d13

* changes:
  Add REST endpoint to check if an email is a code owner of a path
  BranchCodeOwners: JavaDoc fixes
  CodeOwnerResolverResult: Include debug messages
diff --git a/ui/suggest-owners.js b/ui/suggest-owners.js
index e0bf8a8..bcfb2ef 100644
--- a/ui/suggest-owners.js
+++ b/ui/suggest-owners.js
@@ -280,7 +280,6 @@
                     data-suggestion-index$="[[suggestionIndex]]"
                     data-owner-index$="[[ownerIndex]]"
                     account="[[owner.account]]"
-                    hide-hovercard
                     selected$="[[isSelected(owner)]]"
                     on-click="toggleAccount">
                   </gr-account-label>