Temporarily skip editing/selection/move-left-right.html

The expectations will be updated after the TextInputController changes
landed

TBR=tfarina@chromium.org,tkent@chromium.org
BUG=331301

Review URL: https://codereview.chromium.org/165393012

git-svn-id: svn://svn.chromium.org/blink/trunk@167315 bbb929c8-8fbe-4397-9dbb-9b2b20218538