Merge "Logging ItemInfo.attribute field for LauncherUiChanged atom." into sc-dev am: ae95cd1cc1 am: 32c1eec8e7

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14343539

Change-Id: Id63ebbf43b026e51a5d1d7f8ba1b5b2cb55adf21