public Builder setCustomContentView(RemoteViews contentView) {
            mContentView = contentView;
            return this;
        }
Supply custom RemoteViews to use instead of the platform template.
<p>
This will override the layout that would otherwise be constructed by this Builder
object.
android/android_framework/base/src/main/java/github/tornaco/android/thanos/core/compat/NotificationCompat.java