Merge "Show resize frame when widget is added." into sc-dev am: 419ee4599e am: 41ce5a6a2a

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

Change-Id: I0ec365e612a88fb8639941226c9d8d6451ece8aa