Merge "Align ClearAllButton to centre when the ENABLE_GRID_ONLY_OVERVIEW is enabled" into udc-qpr-dev am: 622a3eacb3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23639282

Change-Id: I00afb637d32ea7d823a3b46ce5bf6b5e4726dfc4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>