Merge "Task Overlay - refresh task overlay on size change." into sc-dev am: a357d6da6d am: 2d5cca31a7

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14757953

Change-Id: Iff637fe7ada9da9455f7da5726892591e90d737e