[LayoutNG] Update FlagExpectations for LayoutNG

Following bot results are included.
1589 1591 1595 1596 1597 1598 1600 1605 1606 1607 1609 1610 1611 1615
1616 1617 1618 1619 1620

4 lines were removed by consecutive passes since 1589.

TBR=eae@chromium.org
NOTRY=true

Bug: 591099
Change-Id: I1d642667fb433f63a20204422252ab3bb5806325
Reviewed-on: https://chromium-review.googlesource.com/716436
Reviewed-by: Koji Ishii <kojii@chromium.org>
Commit-Queue: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#508361}
1 file changed