Merge "Add empty view to desktop tile in overview" into tm-qpr-dev am: 431c0c05 am: 0a5f12dd

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21452617



Change-Id: I1fdf09d5674c71cd20539c6d462dd76850665b56
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>