Update change log for offline (#1180)

Author: Kevin Li

plugin-offline/CHANGELOG.md

@@ -2,13 +2,17 @@
 
 Mapbox welcomes participation and contributions from everyone.
 
+### mapbox-android-plugin-offline-v9:0.8.0 - March 23, 2021
+#### Bugs
+- Fix download notification doesn't dismiss issue. [#1176](https://github.com/mapbox/mapbox-plugins-android/pull/1176)
+
 ### mapbox-android-plugin-offline-v9:0.7.0 - March 5, 2020
 #### Features
 - Switching all plugins to AndroidX [#1100](https://github.com/mapbox/mapbox-plugins-android/pull/1100)
 
 ### mapbox-android-plugin-offline-v8:0.6.0 - June 11, 2019
 
-No changes since last release. Release happened to update the module to `-v8`. 
+No changes since last release. Release happened to update the module to `-v8`.
 
 ### mapbox-android-plugin-offline-v7:0.5.0 - April 5, 2019
 #### Features
@@ -34,4 +38,4 @@ No changes since last release. Release happened to update the module to `-v8`.
 - Adds additional documentation to offline classes [#466](https://github.com/mapbox/mapbox-plugins-android/pull/466)
 
 ### 0.1.0 - April 18, 2018
-- Initial release as a standalone package.
+- Initial release as a standalone package.