set Large Icon If Present And Supported
fun setLargeIconIfPresentAndSupported(notificationBuilder: NotificationCompat.Builder, payload: BrazeNotificationPayload): Boolean
Set large icon. We use the large icon URL if it exists in the notificationExtras. Otherwise we search for a drawable defined in braze.xml. If that doesn't exists, we do nothing.
Return
whether a large icon was successfully set.