- modified background task invalidation when an error state is encountered   in UAAnalytics response codes
- modified background task invalidation when an error state is encountered
  in UAAnalytics response codes

zhangqinghe/ios-library,mikerowan/ios-library,ipmobiletech/ios-library,mikerowan/ios-library,manuyavuz/ios-library,jamesstout/ios-library_LITE,ipmobiletech/ios-library,ipmobiletech/ios-library,jamesstout/ios-library_LITE,mikerowan/ios-library,zhangqinghe/ios-library,grosch/ios-library,grosch/ios-library,jamesstout/ios-library_LITE,grosch/ios-library,zhangqinghe/ios-library,manuyavuz/ios-library,manuyavuz/ios-library