Merge "Listen for hover events over stashed taskbar." into udc-dev am: b6f64a44

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/22688404



Change-Id: I1d98926e197a1def9be4150c9d76e0a252f277fb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>