Merge "Don't show resize handle if widget cannot be resized." into sc-dev am: 9b8932f579 am: 57a6f10e40 am: 1776b3e00b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15114085

Change-Id: I6439634793a55e3da6a2a438d26bd30b85354b8b