[auto] flag-specific rebaselines for list items

This patch rebaselines one text dump differences which is as
intended, and two 1px line position differences in vertical
flows. From the manual review of build 8046.

TBR=cathiechen@tencent.com
NOTRY=true

Bug: 591099
Cq-Include-Trybots: luci.chromium.try:linux_layout_tests_layout_ng
Change-Id: I4de0239b88bb3f7bf06e829c0f9f5a3e62f20000
Reviewed-on: https://chromium-review.googlesource.com/1141457
Commit-Queue: Koji Ishii <kojii@chromium.org>
Reviewed-by: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575949}
4 files changed