Revert "Stop using lsearchd pool 5"

Breaks lsearchd on these wikis.

This reverts commit 1df932f32747b5edabb083b46edf36f32e1d3d7c.

Change-Id: I894c10a1aea358169542d3b44daaa158f0dd657a
Merge "Revert "Stop using lsearchd pool 5""