Followup ec3d1d67c: fix fatals because of removed run() methods

CirrusSearch*Job classes were apparently meant to have been made
subclasses of CirrusSearchJob, but weren't, so they were causing
fatal errors because they failed to implement run() (which was moved
up to CirrusSearchJob).

Bug: 58008
Change-Id: I7f68ca7d0ac388eac92c6e022b79047fec5a483b