[android] #5106 - add check for destroyed map view for addMarker()

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java

@@ -1021,6 +1021,9 @@ public class MapView extends FrameLayout {
     }
 
     long addMarker(@NonNull Marker marker) {
+        if(mDestroyed){
+            return 0l;
+        }
         return mNativeMapView.addMarker(marker);
     }