94635995e4
Use frameworks/opt/setupwizard/library/ for consistent behavior and styling on phones and tablets. Implement every step of wizard flow and connect them together, even though some steps are currently non-functional. All strings to match UX spec, with some adjustment. Wizards inherit from helper base class. New interstitials before unmounting or formatting private storage to confirm user knows consequences. Bug: 19993667 Change-Id: I2c774e1718d513805ee8aecfc96d066d4730450c