Merge "Revert "Revert "Default shell_starting_surface to true to match platform behavior.""" into sc-dev am: 2f8158f259 am: 4daf5f05bb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14292741

Change-Id: Ia82ce79883c0d6ee2654d5be455771ae6264e48f