Update Gson to 2.8.2
Update Gson to 2.8.2

https://github.com/google/gson/blob/master/CHANGELOG.md

Change-Id: I6bd7cbbb2802dcd028be7ca5f44b55818014a75f

dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia,wikimedia/apps-android-wikipedia,wikimedia/apps-android-wikipedia,wikimedia/apps-android-wikipedia,wikimedia/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia