First pass of XL account setup

* AccountSetupBasics now has an XL version
* This is from prelim wireframes
* Final colors, text size, and positioning all TBD
* Fixed a StrictMode violation (counting #accounts in onCreate)
* Lightweight (non-shippable) fixes for functional phone UX

Bug: 3188940
Change-Id: Idf6cb514208eba07eaa20b20abfd5fcc3dae1751
1 file changed