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.
Merge branch 'jellybean' of github.com:ParanoidAndroid/android_frameworks_base into jellybean-legacy