Merge "Clip taskbar size from bottom of thumbnail in overview." into tm-qpr-dev am: f77606c8be am: 655b454612

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/19195510

Change-Id: Iaf2ef80b0f42f8abc2c574ddf28ba6857beace72
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>