Merge "LS Wallpaper Sampling for LS Smartspace" into udc-dev am: 77c206e386 am: 49cc41f20a

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

Change-Id: I01d986eaebf543dfc06d40c2a7fd4af22e5064d6
Signed-off-by: Automerger Merge Worker <[email protected]>