CleanCacheService
This creates CleanCacheService to do all of the cache clean up at the lowest possible priority. It also adds a preference to set how long to keep cached APKs.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This creates CleanCacheService to do all of the cache clean up at the lowest possible priority. It also adds a preference to set how long to keep cached APKs.