Change the RTCBundlePolicy to 'max-bundle' for all peerconnections

modules/RTC/RTC.js

@@ -509,6 +509,11 @@ export default class RTC extends Listenable {
             iceConfig.sdpSemantics = 'plan-b';
         }
 
+        // Set the RTCBundlePolicy to max-bundle so that only one set of ice candidates is generated.
+        // The default policy generates separate ice candidates for audio and video connections.
+        // This change is necessary for Unified plan to work properly on Chrome and Safari.
+        iceConfig.bundlePolicy = 'max-bundle';
+
         peerConnectionIdCounter = safeCounterIncrement(peerConnectionIdCounter);
 
         const newConnection