fix(Ads): Disable interstitials when playing an interstitials (#7621)

Author: avelad

lib/ads/interstitial_ad_manager.js

@@ -1000,6 +1000,8 @@ shaka.ads.InterstitialAdManager = class {
     goog.asserts.assert(this.player_, 'Must have player');
     goog.asserts.assert(this.basePlayer_, 'Must have base player');
     this.player_.configure(this.basePlayer_.getNonDefaultConfiguration());
+    this.player_.configure('ads.disableHLSInterstitial', true);
+    this.player_.configure('ads.disableDASHInterstitial', true);
     const netEngine = this.player_.getNetworkingEngine();
     goog.asserts.assert(netEngine, 'Need networking engine');
     netEngine.clearAllRequestFilters();