KeyguardQuickAffordanceProvider has started to be used for more than
just lock screen shortcuts. This collection of CLs updates its name,
authority, and table schema to become more generically about "system UI
customization".
Fix: 262879277
Test: manually verified Settings > Display > Lock screen shows the
"shortcuts" item
Test: manually verified that the Wallpaper picker properly renders the
preview and can change the quick affordances
Test: manually verified that system UI displays the right lock screen
shortcuts
Change-Id: Idc0765a8c3fe50c82689d2ca7f9d19b41a62baf2
This is in Display > Lock screen. It reads "Buttons" and the summary
text below it is a comma delimited list of the names of the
currently-selected quick affordances.
Fix: 256662519
Test: Manual verification that the lock screen and wallet
items are gone and the new item is visible and clicking it opens the
Wallpaper & style settings screen
Change-Id: If3746b5d0eb8c61edb9378cdb217ca248b999944
