Merge "Use global color extraction in widgets for wallpaper preview" into sc-v2-dev am: 9b3ef3e638 am: df311603e9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15329444

Change-Id: If7920bff50108cab908a07c34d082b811da344f0