Use the NTP-MD flag for transparent doodle requests.

chrome/browser/android/logo_service.cc

Index: chrome/browser/android/logo_service.cc
diff --git a/chrome/browser/android/logo_service.cc b/chrome/browser/android/logo_service.cc
index 6a980230f383003b800c1ae71459740a318d2a82..d8611819b33ab2b0fcb0234380907d4dc92cc920 100644
--- a/chrome/browser/android/logo_service.cc
+++ b/chrome/browser/android/logo_service.cc
@@ -128,7 +128,7 @@ void LogoService::GetLogo(search_provider_logos::LogoObserver* observer) {
       base::Bind(&search_provider_logos::GoogleParseLogoResponse),
       base::Bind(&search_provider_logos::GoogleAppendQueryparamsToLogoURL),
       true, /* wants_cta */
-      base::FeatureList::IsEnabled(chrome::android::kNTPTransparentDoodle));
+      base::FeatureList::IsEnabled(chrome::android::kNTPMaterialDesign));
   logo_tracker_->GetLogo(observer);
 }