Added 240x400 size (prebid#3809)

hdeodhar · Alex · commit 6b2343aa2ef8 · 2019-08-01T18:03:45.000+02:00
diff --git a/modules/rubiconBidAdapter.js b/modules/rubiconBidAdapter.js
@@ -25,6 +25,7 @@ var sizeMap = {
   14: '250x250',
   15: '300x250',
   16: '336x280',
+  17: '240x400',
   19: '300x100',
   31: '980x120',
   32: '250x360',
