Have All Set aniamted background extend edge-to-edge am: 96431570

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/19429240



Change-Id: Ideffeaa3d083feaa0a3d8e110d25c0b1eb5c3153
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>