Merge "Swap z-order of tasks for default wallpaper-open animation" into udc-dev am: 34fb513c am: 914c5bb6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23149774



Change-Id: Ib3bb3c9dbac5e8a798640cd9fdf15f971ba6f80d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>