Merge "Add support for showing border for desktop tile" into tm-qpr-dev am: 4ec2d129

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21427684



Change-Id: I5dd4cf19c5e0def592d43bf9a1200689bce7b4d2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>