[MB-842] Add iOS6 comment on CTTelephonyNetworkInfo workaround
[MB-842] Add iOS6 comment on CTTelephonyNetworkInfo workaround

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