Ignore null in _handleRpcReply.
Ignore null in _handleRpcReply.

google/streamy-dart,ronlobo/streamy-dart,ronlobo/streamy-dart,google/streamy-dart,ronlobo/streamy-dart,srawlins/streamy-dart,srawlins/streamy-dart,srawlins/streamy-dart,ronlobo/streamy-dart,srawlins/streamy-dart,google/streamy-dart,google/streamy-dart