tree 7df4ff641ab6a548730119941bd2c81bf3e7ca3b
parent 0ca33a6ad18bbc4fd7f960c0eb410bdf1cfd2f09
author Alejandro Nijamkin <nijamkin@google.com> 1671665255 -0800
committer Alejandro Nijamkin <nijamkin@google.com> 1671927054 -0800

Wallpaper picker reset support (2/3).

Creates system to support reverting changes made to the home or lock
screen via the wallpaper picker.

The system itself is in WPP2/.../picker/undo.

Bug: 262924056
Test: included unit tests and updated existing ones
Test: manually verified that I can reset changes made to quick
affordances both from the quick affordance screen or the main WPP screen

Change-Id: Id84b27db4264b14436bd73fe6adaac570cffbf37