[AA+] Add WW logging for Slice actions. am: d0ab1a0eed

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13612485

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iaa21b2685ebf560737acc409ca8510309283edd8