Merge "Restrict cross-user wallpaper inspection" into sc-qpr1-dev am: 3814b044 am: 1af91fbd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15585676

Change-Id: Ia97b6c2d435823ab44dd81fd346be613f92acf5a