Change date format for better 'ja' compatibility

eeeMMd doesn't properly translate dates in Japanese.
According to ICU team, we should be using EEEMMd instead.

The date output will be different in ja, ko, th out of 728 locales.

Test: visual
Fixes: 161186825
Change-Id: Ib551d532f08b89be3a0679c44c51b65f493f1a65