[LayoutNG] Update FlagExpectations for LayoutNG

Following bot results are included.
617 619 621 625 626 627 629 632 635 636 639 641

33 lines removed by consecutive passes since 617 (Jun 29.)

BUG=591099
TBR=eae@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/2969953002
Cr-Commit-Position: refs/heads/master@{#484055}
1 file changed