Add logging to help debug invalid icon state and UI. am: 2c8966bbc8 am: c9ef011e54 am: ee83f78117

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15889757

Change-Id: Ie8a91817419439943b20f76421bda72872410d92