Rebaseline listbox bidi images

Unreviewed gardening - auto-rebaseline in 160220 may have done the
wrong thing.

BUG=85833
TBR=sanjoy.pal@samsung.com,ojan@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/35743003

git-svn-id: svn://svn.chromium.org/blink/trunk@160242 bbb929c8-8fbe-4397-9dbb-9b2b20218538