[LayoutNG] Update FlagExpectations for LayoutNG

Following bot results are included.
367 368 371 373

New 'virtual/exotic-color-space' adds lots of failures.

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

Review-Url: https://codereview.chromium.org/2927923002
Cr-Commit-Position: refs/heads/master@{#478008}
1 file changed