Disables Feedback flow for Smartspace. am: 587ab5c723 am: 9e818be418 am: d0eb0bf17b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15899654

Change-Id: I40ccb27f9e12d5a1b148b23a7196e90194f8c747