Merge "Add local wallpaper color extraction to folder backgrounds." into sc-dev am: 32ee8c6a51 am: 5c57f89243

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14330015

Change-Id: I4a51ad2ede948dbeffc04ffffa40e6e73133400c