Support searching for Related Commits by package owner
Summary:
add support for searching by package owner for Related Commits
and commits that Need Attention.
Test Plan:
verified that
- searching by package still works when there is or there is no commits found
- searching by package owner works when there is or there is no commits found
Reviewers: epriestley, nh
Reviewed By: epriestley
CC: aran, epriestley, prithvi, dihde14, Girish
Differential Revision: https://secure.phabricator.com/D1631