Rebaseline month/week appearance tests
Committed r134187: <http://trac.webkit.org/changeset/134187>
Now failing in different ways: http://trac.webkit.org/changeset/134291/
Rebaseline still needed. (If it's OK to just rebaseline results, I'm happy to do the work.) http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=platform%2Fchromium%2Ffast%2Fforms%2Fcalendar-picker%2Fweek-picker-appearance-step.html http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=platform%2Fchromium%2Ffast%2Fforms%2Fcalendar-picker%2Fweek-picker-appearance.html
Rebaselined at r134746.