Updated CHANGELOG

Author: Adam Schlesinger

OneSignalExample/Assets/OneSignal/CHANGELOG.md

@@ -5,6 +5,8 @@ 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]
+### Changed
+- Default export path for icons on Android changed to `Assets/Plugins/Android/OneSignalConfig/res`
 ### Removed
 - Legacy AndroidManifest from past version of imported OneSignal Android SDK