[Chromium] Layout test calendar-picker-mouse-operations.html is flaky
https://bugs.webkit.org/show_bug.cgi?id=107423

* platform/chromium/TestExpectations:
Update the bug URL.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140502 268f45cc-cd09-0410-ab3c-d52691b4dbfc