Merge "Widgets: Only reset expanded item & scroll to top if the user switch tab" into sc-dev am: f357dc4f3e am: c7e8bbc104 am: 8b5a5987b3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14622871

Change-Id: Ie0372479358ae116dca4db214d4054ced36cb9e8