Don't update hover cards while the new animator is running.

Bug: 1000184
Change-Id: I913d52e05dde3daa18543bf3c684344973a0c341
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1798174
Commit-Queue: Taylor Bergquist <tbergquist@chromium.org>
Reviewed-by: Caroline Rising <corising@chromium.org>
Cr-Commit-Position: refs/heads/master@{#698695}

chrome/browser/ui/views/tabs/tab_strip.cc

@@ -1557,7 +1557,8 @@ void TabStrip::UpdateHoverCard(Tab* tab) {
   if (!base::FeatureList::IsEnabled(features::kTabHoverCards))
     return;
   // We don't want to show a hover card for a tab while it is animating.
-  if (tab && bounds_animator_.IsAnimating(tab)) {
+  if (tab &&
+      (bounds_animator_.IsAnimating(tab) || layout_helper_->IsAnimating())) {
     return;
   }