Add shape_shifter / topic_tools build targets to ros_comm library
Add shape_shifter / topic_tools build targets to ros_comm library

These targets are needed to build a generic ROS subscriber / serializer.

Change-Id: I77cfa972c6fb437ae3f6e59641e3d8955d05bf1b
GitOrigin-RevId: 288700f16c4569472c6bc408bf2d4f8548c18155

googlecloudrobotics/core,googlecloudrobotics/core,googlecloudrobotics/core