Merge "Taskbar motion polish to keep icons within taskbar bg bounds." into tm-qpr-dev am: 8a53e78f22

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/22133846

Change-Id: I1ede6c749f24762727fbf7dc8ae1085a70ab0bc3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>