Merge "Widgets recommendation backend" into sc-dev am: 3c08f580c3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13731979

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7b3959a9d1318a8b407080bcf5441e24607bc136