Fix null exception * when marker is off screen, the animations will result in null exception
Fix null exception
* when marker is off screen, the animations will result in null exception

(cherry picked from commit c986fe7374bc099a544c11dcdaec409f8cef3afd)

dukhanov/cordova-plugin-googlemaps,dukhanov/cordova-plugin-googlemaps,mapsplugin/cordova-plugin-googlemaps,dukhanov/cordova-plugin-googlemaps,wf9a5m75/phonegap-googlemaps-plugin,wf9a5m75/phonegap-googlemaps-plugin,wf9a5m75/phonegap-googlemaps-plugin,mapsplugin/cordova-plugin-googlemaps,mapsplugin/cordova-plugin-googlemaps