AI 149267: Add the images for icon guidelines doc
  BUG=1790234

Automated import of CL 149267
diff --git a/docs/html/sitemap.txt b/docs/html/sitemap.txt
index 5bb8cae..a227d09 100644
--- a/docs/html/sitemap.txt
+++ b/docs/html/sitemap.txt
@@ -75,6 +75,7 @@
 http://developer.android.com/guide/publishing/preparing.html
 http://developer.android.com/guide/publishing/publishing.html
 http://developer.android.com/guide/practices/ui_guidelines/index.html
+http://developer.android.com/guide/practices/ui_guidelines/icon_design.html
 http://developer.android.com/guide/practices/ui_guidelines/widget_design.html
 http://developer.android.com/guide/practices/design/performance.html
 http://developer.android.com/guide/practices/design/responsiveness.html