Merge "LS Wallpaper Sampling for LS Smartspace" into udc-dev am: 77c206e3 am: 1d243202

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



Change-Id: I7cb94a9925bf0585f9849c20e454d04953decb1c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>