Only test symbols from the current library
Only test symbols from the current library

Summary: Limit the acceptance testing surrounding symbols to only consider symbols from the current library. See D11052#107199.

Test Plan: Increased the method visibility of a class in rARC and ran `arc lint -- src/` in rP.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11417

julkiewicz/libphutil,julkiewicz/libphutil,julkiewicz/libphutil