add image to GP education collection card

Change-Id: Ie21813f84277ee8f882efc1a8589080476a4bf66
diff --git a/docs/html/jd_extras.js b/docs/html/jd_extras.js
index eb7bfb6..03bbea1 100644
--- a/docs/html/jd_extras.js
+++ b/docs/html/jd_extras.js
@@ -1172,7 +1172,7 @@
     "tags": [],
     "url": "https://developers.google.com/edu/",
     "timestamp": null,
-    "image": "https://developers.google.com/edu/images/edu-guidelines.jpg",
+    "image": "https://developers.google.com/edu/images/home-android.png",
     "title": "Chrome Apps in Google Play for Education",
     "summary": "Find out more about Chrome apps in Google Play for Education.",
     "keywords": [],