Update Layout test and webkit test after ICU52 roll

Now that ICU was rolled to ICU 52, two layout tests marked as failure
pass beause the expectation was updated in advance to prepare for ICU 52 update.

Likewise, a test for shortStandAloneMonth names in ru_RU should be
re-enabled.

BUG=378919
TEST=1.LayoutTest: fast/forms/datetimelocal-multiple-fields/datetimelocal-multiple-fields-*
2. webkit_unit_tests: LocaleICU*
TBR=tkent@chromium.org

Review URL: https://codereview.chromium.org/403393004

git-svn-id: svn://svn.chromium.org/blink/trunk@178574 bbb929c8-8fbe-4397-9dbb-9b2b20218538