Merge "Calculate sizes for responsive grid" into udc-dev am: d282d5956e am: dc7d900708

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

Change-Id: I29151c20fb9a05163a0f17b0317bff1ebf14588e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>