Merge "Give FloatingIconView a copy of, rather than, the original icon." into tm-dev am: 0c809bbe67 am: 9dd7aa50ab

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18673699

Change-Id: If43a7b8fa1722abdc7d1c49a15cca1d7d5189bd4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>