[ios] Move Clear Browsing Data Table View to under UIRefresh flag

Bug: None

Change-Id: I52e395ad77ddd0c4f9797828500f0b65b4852337
Reviewed-on: https://chromium-review.googlesource.com/1133580
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Commit-Queue: Chris Lu <thegreenfrog@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575641}
4 files changed