Merge "LS Wallpaper Sampling for LS Smartspace" into udc-dev am: 77c206e386 am: 1d243202ff

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22873896

Change-Id: I0904da3a1ea9ade0e775f9e3ad72da393b793ebe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>