[NTP] Disable flaky Custom Links browser tests

Bug: 903265
Change-Id: Id36168aa8b5db879e2ea63a7e22bc4b1492053da
Reviewed-on: https://chromium-review.googlesource.com/c/1331581
Reviewed-by: Ramya Nagarajan <ramyan@chromium.org>
Commit-Queue: Kristi Park <kristipark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607361}
1 file changed