[Media, UI] Change MediaNotification style to MediaStyle

chrome/browser/android/chrome_feature_list.cc

Index: chrome/browser/android/chrome_feature_list.cc
diff --git a/chrome/browser/android/chrome_feature_list.cc b/chrome/browser/android/chrome_feature_list.cc
index c949f6ddaba348fd83dd040b744ffcd92b9871ca..2470c9ec60621fc927db9fef4dd777e599d7d507 100644
--- a/chrome/browser/android/chrome_feature_list.cc
+++ b/chrome/browser/android/chrome_feature_list.cc
@@ -31,6 +31,7 @@ const base::Feature* kFeaturesExposedToJava[] = {
     &kNTPToolbarFeature,
     &kNTPFakeOmniboxTextFeature,
     &kPhysicalWebFeature,
+    &kUseNewMediaNotification,
     &features::kSimplifiedFullscreenUI,
     &offline_pages::kOfflinePagesBackgroundLoadingFeature,
 };
@@ -61,6 +62,10 @@ const base::Feature kSystemDownloadManager {
   "SystemDownloadManager", base::FEATURE_ENABLED_BY_DEFAULT
 };
 
+const base::Feature kUseNewMediaNotification{
+  "UseNewMediaNotification", base::FEATURE_DISABLED_BY_DEFAULT
+};
+
 static jboolean IsEnabled(JNIEnv* env,
                           const JavaParamRef<jclass>& clazz,
                           const JavaParamRef<jstring>& jfeature_name) {