Bug 1077470 - [Contacts] Add image from gallery to contacts needs a close (x) button instead of a back arrow

setView is called from flows outside of pick activity, we should move this to startPick  after adding comment to explain why we need it something like -  Trigger the header title to re-run font-fit logic

https://github.com/mozilla-b2g/gaia/blob/master/apps/gallery/js/gallery.js#L796

We should store $('pick-header-heading') in a variable to avoid calling it twice.