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

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



Change-Id: I41c90a94c8c854e44488c0e11f605ea95e4ff859
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>