[auto] Update FlagExpectations for LayoutNG

Following bot results are included.
3628 3630 3631

1 lines were removed and 41 lines were deflaked by consecutive results
since 3595.

Includes manual rebaseline for 3 failures in 3630:
 fast/canvas/fillrect_gradient.html
 fast/css3-text/css3-text-justify/text-justify-8bits.html
 fast/text/justify-nbsp.html

TBR=eae@chromium.org
NOTRY=true

Bug: 591099
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_layout_tests_layout_ng
Change-Id: Iede25fe710b50043ad64867fc34d5a65bb2851bd
Reviewed-on: https://chromium-review.googlesource.com/908173
Commit-Queue: Koji Ishii <kojii@chromium.org>
Reviewed-by: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#535330}
4 files changed