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

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

Change-Id: Ife8862606cdf9fbf807848e63bfcf580bfdf991b