Merge "Fix preview layout crash upon screen rotation" into sc-dev am: 0062822976 am: 23b50a34be

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

Change-Id: I3f1654d156cf28e45099fa6e8c0156fe48fd7f0d