Merge "Improving diagnostics for objects disappearing from screen" into sc-dev am: 5dae3f3162 am: dcd0a6fec6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14989389

Change-Id: Iefecf11ad0ebe2a9731e098206f662beaf47fcea