Merge "Measure WidgetsFullSheet before estimating the recommended table size" into sc-dev am: 6a01fe49a5 am: 268dd89cb0

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15359118

Change-Id: Ia8971a215762c5f9b9e1a0a4b97da5ed3359a400