[automerger skipped] Merge "Handle uiMode changes" into ub-launcher3-rvc-qpr-dev am: 6e1861104c am: 81da5a7c96 -s ours

am skip reason: Change-Id Ia83f02d18a0433c8be59d1f488e58b38476ba5ff with SHA-1 0c2b05947e is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12202453

Change-Id: Ibff57765d666df4824c03e7260b3f01c95fb3310