1. Fixed an issue where input focus is given to the copies
edit text every other time we expand the options UI. We
want focus there only if the user touches the control.
bug:16966145
2. Fixed the all printers list view to have item dividers
reaching the left and right ends of the list view.
bug:17288761
3. Fixed an issue where the user can deselect all pages
which is not only an invalid state but also causes a crash.
bug:17286198
4. Tweaked the minimal size of the preview in landscape on
phone to better accomodate the page.
bug:17288904
5. Fixed a regression introduced by a change from the UI folks.
Change-Id: Ida7dad7eea413295a840028060810b2619c616e8
c404cacd3a