Merge "Don't show resize handle if widget cannot be resized." into sc-dev am: 9b8932f579 am: 93fcf2190d am: d0e0165062

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

Change-Id: I7b061c9f4eb515dc351af7d04cd4ad27c7f58f0a