android: fix crash if UserInfo is not set

Fixes: https://github.com/jitsi/jitsi-meet-sdk-samples/issues/11

android/gradle.properties

@@ -18,4 +18,4 @@
 # org.gradle.parallel=true
 
 appVersion=19.2.0
-sdkVersion=2.2.0
+sdkVersion=2.2.2

android/sdk/src/main/java/org/jitsi/meet/sdk/JitsiMeetConferenceOptions.java

@@ -341,7 +341,7 @@ public class JitsiMeetConferenceOptions implements Parcelable {
         dest.writeString(token);
         dest.writeBundle(colorScheme);
         dest.writeBundle(featureFlags);
-        dest.writeBundle(userInfo.asBundle());
+        dest.writeBundle(userInfo != null ? userInfo.asBundle() : new Bundle());
         dest.writeByte((byte) (audioMuted == null ? 0 : audioMuted ? 1 : 2));
         dest.writeByte((byte) (audioOnly == null ? 0 : audioOnly ? 1 : 2));
         dest.writeByte((byte) (videoMuted == null ? 0 : videoMuted ? 1 : 2));

android/sdk/src/main/java/org/jitsi/meet/sdk/JitsiMeetUncaughtExceptionHandler.java

@@ -39,13 +39,6 @@ class JitsiMeetUncaughtExceptionHandler implements Thread.UncaughtExceptionHandl
     public void uncaughtException(Thread t, Throwable e) {
         Log.e(this.getClass().getSimpleName(), "FATAL ERROR", e);
 
-        // Terminate all conferences
-        for (BaseReactView view: BaseReactView.getViews()) {
-            if (view instanceof JitsiMeetView) {
-                ((JitsiMeetView) view).leave();
-            }
-        }
-
         // Abort all ConnectionService ongoing calls
         if (AudioModeModule.useConnectionService()) {
             ConnectionService.abortConnections();

android/sdk/src/main/java/org/jitsi/meet/sdk/OngoingConferenceTracker.java

@@ -86,8 +86,10 @@ class OngoingConferenceTracker {
     }
 
     private void updateListeners() {
-        for (OngoingConferenceListener listener : listeners) {
-            listener.onCurrentConferenceChanged(currentConference);
+        synchronized (listeners) {
+            for (OngoingConferenceListener listener : listeners) {
+                listener.onCurrentConferenceChanged(currentConference);
+            }
         }
     }