Merge "[Hotseat] Remove stale predictions when AppIcon is removed" into sc-v2-dev am: 091d91a84b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15862161

Change-Id: Ia34a8eeb0672139521e1590fa6c93b36b4a20344