Merge "Fix launcher crash by set divider hidden" into tm-qpr-dev am: f8176700 am: 763a9f20

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20955885



Change-Id: I919e1cb8cb739cab0d0ce79a8c5a434683f7ca53
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>