Stub functions to get publisher and subcription informations like QoS policies from topic name#959

Closed

mm318 wants to merge 2 commits intoros2:masterfrom aws-ros-dev:miaofei/stub_qos_in_topic_info

+45

Commits on Jan 3, 2020

stub out functions for getting pub/sub infos from topic name
mm318
committed

Commits on Jan 10, 2020

rename *topic_info* to *topic_endpoint_info*
mm318
committed