Add test config to wifilogd_unit_test

Details about test configs changes are tracked in doc
https://docs.google.com/document/d/1EWUjJ7fjy8ge_Nk0YQbFdRp8DSHo3z6GU0R8jLgrAcw/edit#

Bug: 35882476
Test: local test
Change-Id: Ia58438f3eb6f2a4d08677429a6ffdf0fbc93cd92
2 files changed