Merge "Update all apps divider to pill shape" into sc-dev am: 4ff2682787 am: 4f6251ecec

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14966493

Change-Id: I8c56cdb2e74401da101afc5a14bce63e9a599ca7