[TIMOB-14488] Stop hammering the tableView with updateRow calls during a layout pass
Merge pull request #4439 from vishalduggal/timob-14488

[TIMOB-14488] Stop hammering the tableView with updateRow calls during a layout pass.

[TIMOB-14488] Stop hammering the tableView with updateRow calls during a layout pass.

Tested and verified using the same steps as in the video from attached to the bug report "iPhone 20130626.mp4". The app is no longer sluggish and does not become unresponsive.