Merge "Show resize frame when widget is added." into sc-dev am: 419ee4599e am: ffd5acea77

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13956205

Change-Id: I9c9ce03e7ea5a6a6c955026e884f3426501bd5ec