Add an option for the default view to show on startup

Typically, the Calendar application opens with the previously used view
(day, week, ...). This adds an option to select another view as the
default when starting the app.

Change-Id: I43c549b777ed30f67a18c6a862d2d833c5528d54
Calendar: Mark array as translatable=false

Change-Id: Id44027f0cea7624d98315eafcd70f5104a2fa77c