small fix..derp

Change-Id: I750b61d7d087db3f839aba1e1632d713ad890b1b
DateView: Use Intent.ACTION_LOCALE_CHANGED to refresh notification bar clock

Add the Intent.ACTION_LOCALE_CHANGED to DateView BroadcastReceiver for detect when the
user change the locale. Otherwise, the notification bar clock is not refreshed until
the next tick or time changed occurs.
Derp