/usr/share/actionlib/msg/ is in libactionlib-dev 1.11.12-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/actionlib/msg/TestAction.msg
/usr/share/actionlib/msg/TestActionFeedback.msg
/usr/share/actionlib/msg/TestActionGoal.msg
/usr/share/actionlib/msg/TestActionResult.msg
/usr/share/actionlib/msg/TestFeedback.msg
/usr/share/actionlib/msg/TestGoal.msg
/usr/share/actionlib/msg/TestRequestAction.msg
/usr/share/actionlib/msg/TestRequestActionFeedback.msg
/usr/share/actionlib/msg/TestRequestActionGoal.msg
/usr/share/actionlib/msg/TestRequestActionResult.msg
/usr/share/actionlib/msg/TestRequestFeedback.msg
/usr/share/actionlib/msg/TestRequestGoal.msg
/usr/share/actionlib/msg/TestRequestResult.msg
/usr/share/actionlib/msg/TestResult.msg
/usr/share/actionlib/msg/TwoIntsAction.msg
/usr/share/actionlib/msg/TwoIntsActionFeedback.msg
/usr/share/actionlib/msg/TwoIntsActionGoal.msg
/usr/share/actionlib/msg/TwoIntsActionResult.msg
/usr/share/actionlib/msg/TwoIntsFeedback.msg
/usr/share/actionlib/msg/TwoIntsGoal.msg
/usr/share/actionlib/msg/TwoIntsResult.msg