Add version comments for 1.24 to all updaters

pp_sortkey was added with I217c42656fb877ff35a36eb446a22bdaf119faac,
which is part of 1.24, so adding the comment before that.

Change-Id: I7b970705ad7de75cb9542f8a5a963697386940a7
Merge "Add version comments for 1.24 to all updaters"