Automatically run FlowSetUserIp on update.php

* Added checks to make sure columns exist (may not be the case with
  current sqlite patch, which drops the columns)
* Removed script output, to keep update.php output clean.

Bug: 59198
Change-Id: I2269c7744930f3039528b4c4abd39659c6986193
Merge "Automatically run FlowSetUserIp on update.php"