hide outstream div (#5055)

Co-authored-by: Jaimin Panchal <email@example.com>

modules/appnexusBidAdapter.js

@@ -841,8 +841,20 @@ function buildNativeRequest(params) {
   return request;
 }
 
+/**
+ * This function hides google div container for outstream bids to remove unwanted space on page. Appnexus renderer creates a new iframe outside of google iframe to render the outstream creative.
+ * @param {string} elementId element id
+ */
+function hidedfpContainer(elementId) {
+  var el = document.getElementById(elementId).querySelectorAll("div[id^='google_ads']");
+  if (el[0]) {
+    el[0].style.setProperty('display', 'none');
+  }
+}
+
 function outstreamRender(bid) {
   // push to render queue because ANOutstreamVideo may not be loaded yet
+  hidedfpContainer(bid.adUnitCode);
   bid.renderer.push(() => {
     window.ANOutstreamVideo.renderAd({
       tagId: bid.adResponse.tag_id,