Fix bug with topic statistics for intra process comms#2913

roman-y-wu wants to merge 3 commits intoros2:rollingros2/rclcpp:rollingfrom

roman-y-wu:fix-bug-with-topic-statistics-for-intra-process-commsroman-y-wu/rclcpp:fix-bug-with-topic-statistics-for-intra-process-commsCopy head branch name to clipboard