Fix participant list not updating tracks

@@ -7,6 +7,8 @@
 /.idea/workspace.xml
 /.idea/navEditor.xml
 /.idea/assetWizardSettings.xml
+/.idea/deploymentTargetDropDown.xml
+/.idea/misc.xml
 .DS_Store
 /build
 /captures

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
-  </component>
-</project>
\ No newline at end of file

@@ -237,6 +237,8 @@ constructor(
             }
             return
         }
+
+        Timber.v { "response: $response" }
         when (response.messageCase) {
             LivekitRtc.SignalResponse.MessageCase.ANSWER -> {
                 val sd = fromProtoSessionDescription(response.answer)

@@ -212,7 +212,7 @@ constructor(
                 continue
             }
 
-            val isNewParticipant = remoteParticipants.contains(participantSid)
+            val isNewParticipant = !remoteParticipants.contains(participantSid)
             val participant = getOrCreateRemoteParticipant(participantSid, info)
 
             if (info.state == LivekitModels.ParticipantInfo.State.DISCONNECTED) {