Merge "Calculate sizes for responsive grid" into udc-dev am: d282d5956e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/22764617

Change-Id: Ib2f43afde2543bac2f52b53517533b1631ddb03b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>