Merge "Update all apps divider to pill shape" into sc-dev am: 4ff2682787 am: 86ec716300 am: 477ae13b2c

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

Change-Id: I37ccec9c9c415b1f8e1c5e3db0b677ee37904b54