Include MVTiles in list of suggestions excluded from Grouping.

This change adds TILE_NAVSUGGEST suggestion to the list of
special match types that are excluded from
GroupBySearchVsUrl.

Bug: 1165941
Change-Id: I36791175c81289d752b69b01bfddf5844dd12d4d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2641144Reviewed-by: Tommy Li <tommycli@chromium.org>
Commit-Queue: Tomasz Wiszkowski <ender@google.com>
Cr-Commit-Position: refs/heads/master@{#845777}

components/omnibox/browser/autocomplete_match.cc

@@ -680,6 +680,7 @@ bool AutocompleteMatch::ShouldBeSkippedForGroupBySearchVsUrl(Type type) {
   return type == AutocompleteMatchType::CLIPBOARD_URL ||
          type == AutocompleteMatchType::CLIPBOARD_TEXT ||
          type == AutocompleteMatchType::CLIPBOARD_IMAGE ||
+         type == AutocompleteMatchType::TILE_NAVSUGGEST ||
          type == AutocompleteMatchType::TILE_SUGGESTION;
 }