Improve the SD card setup flow so that each formatting option is provided in a separate screen with clear description and illustration.Also make sure that guest users do not have any access to formatting options.
Test: Manual testing on Pixel Device
Screenshot1: https://screenshot.googleplex.com/WJwyxFkBtbSfZmN.png
Screenshot2: https://screenshot.googleplex.com/3oBcrrgRsKTxNPC.png
Bug: 201252175
Change-Id: I77df55c40fd99cabcfc6128084be035bb5b19531
Change-Id: I757abc6076fcc8f467d8faed9f090bcdd5774ff3
Updated assets from UX, and shift to "GlifV3" to get the latest
theme styles. Verified visually.
Bug: 77469852
Test: atest com.android.settings.ui.StorageWizardTest
Change-Id: I5bf84e6649577b0c5c874f129fbd1d71c53356e2
Mostly shuffling around strings and layouts. Slow device warning is
now a full-screen activity, and format warning is now a dialog.
Bug: 76097999
Test: atest com.android.settings.ui.StorageWizardTest
Change-Id: Ifd74e3b1389f0cc9590f6a6a2cd49671f3bbc746
