Merge "Add OnGlobalLayout listener to WidgetFloatingView" into sc-dev am: 9297064b2e am: 795ca19a3c am: 3d56b20703

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14440777

Change-Id: If13a750f21084f310911866e64f23e6220a1e7b5