Updated CHANGELOG

Author: shepherd-l

OneSignalExample/Assets/OneSignal/CHANGELOG.md

@@ -5,6 +5,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Android `DeleteTags` and `RemovingTriggers` calls correctly use a Java array list instead of an array
+
 ## [3.0.3]
 ### Changed
 - Added support for OneSignal Android functionality `promptForPushNotifications`