Merge "Fix preview layout crash upon screen rotation" into sc-dev am: 0062822976 am: 542d81bf59 am: 15f052c8a5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14881297

Change-Id: Ia9c6e78496d491c3647e54aa89195046dc083b9e