Merge "Fix preview layout crash upon screen rotation" into sc-dev am: 0062822976 am: 8354f61df5

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

Change-Id: I6b32b7fd75459f4c3fa4de9178f1bf8eab338c49