Merge "Adjust the widgets fitting algorithm to mitigate over packing issue" into sc-dev am: 96793bdfe1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14717701

Change-Id: I20ed31a66c4fe1aed11dee6ad7ebb4db4422c9b7