[omnibox] Leave "= " in calculator result match contents

The "= " was getting removed from start of calculator answers
but now it will be left in when new answer layout is enabled.

Bug: 838733
Change-Id: Ice7bf2087cc51cd052744164018ff74f4aeb68a7
Reviewed-on: https://chromium-review.googlesource.com/1141126
Commit-Queue: Orin Jaworski <orinj@chromium.org>
Reviewed-by: Justin Donnelly <jdonnelly@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576109}

components/omnibox/browser/search_suggestion_parser.cc

@@ -543,7 +543,8 @@ bool SearchSuggestionParser::ParseSuggestResults(
           // Additionally, on larger (non-phone) form factors, we don't want to
           // display it in the suggestion contents either, because those devices
           // display a suggestion type icon that looks like a '='.
-          if (ui::GetDeviceFormFactor() != ui::DEVICE_FORM_FACTOR_PHONE)
+          if (ui::GetDeviceFormFactor() != ui::DEVICE_FORM_FACTOR_PHONE &&
+              !OmniboxFieldTrial::IsNewAnswerLayoutEnabled())
             match_contents.erase(0, 2);
         }
         if (ui::GetDeviceFormFactor() == ui::DEVICE_FORM_FACTOR_DESKTOP &&