Merge "add logging for Launcher backup and restore events" into udc-qpr-dev am: 8a681389

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24310674



Change-Id: Ic15305f1845395602e3a9d0af17ae316ca20b8bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>