[auto] Update FlagExpectations for LayoutNG

Following bot results are included.
8260 8263 8272 8276 8279 8292

2 lines were removed and 4 lines were deflaked by consecutive
results since 8217.

TBR=eae@chromium.org, mstensho@chromium.org
NOTRY=true

Bug: 591099
Cq-Include-Trybots: luci.chromium.try:linux_layout_tests_layout_ng
Change-Id: I4c26c84bee0225b5ed6bb1e72e0f40fe84b60b41
Reviewed-on: https://chromium-review.googlesource.com/1147892
Commit-Queue: Koji Ishii <kojii@chromium.org>
Reviewed-by: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577803}
1 file changed