Merge "Add local wallpaper color extraction to folder backgrounds." into sc-dev am: 32ee8c6a51 am: 73255759c6

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

Change-Id: I6d12b71d773f0859b530770cd23b63848960c5f9