Summary: Pointers on type, rather than letting clang-format derive it.

Test Plan: Setting it loose on phab

Reviewers: zasgar, yzhao, #engineering

Reviewed By: zasgar, #engineering

Differential Revision: https://phab.corp.pixielabs.ai/D857

GitOrigin-RevId: bb6fdc64cc38c8e2be419d5374cd848e6b197a21