Merge "Reland "Move wallpaper local color extraction to background"" into...

Merge "Reland "Move wallpaper local color extraction to background"" into tm-qpr-dev am: d5c64afa am: 85a767a4 am: d5985187 am: 5a30f567

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21445585



Change-Id: I47c68e2f815bb22636831e586a6cdbeca68c7d4c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>