Merge "Set WallpaperData flag in constructor" into udc-dev am: d9bc3422 am: db9cff76

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23586063



Change-Id: I87bee95973462458ebdc522364bbaf14c361ddac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>