discussiontools_item_pages row itp_id=5 has incorrect
itp_oldest_revision_id. It should point to the older of the two
revisions with the same time, but it points to the newer one.
discussiontools_item_revisions row is missing.
Depends-On: I56f0e161e5438d5f77b7d53d4db7411f90f97d05
Change-Id: I61ed42515891a84729455a7a32c98276c7cacd40
