The BigTextStyle should never render mContentText

Change-Id: Ifcbb0868871741bd78c5ebf31408143aaf732b98

Author: cwren

core/java/android/app/Notification.java

@@ -1736,6 +1736,7 @@ private RemoteViews makeBigContentView() {
             RemoteViews contentView = getStandardView(R.layout.notification_template_big_text);
             contentView.setTextViewText(R.id.big_text, mBigText);
             contentView.setViewVisibility(R.id.big_text, View.VISIBLE);
+            contentView.setViewVisibility(R.id.text2, View.GONE);
 
             return contentView;
         }