Merge "Don't recreate touch controllers when ending gesture" into sc-v2-dev am: 42fe934768 am: c910a3a02f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15388699

Change-Id: I9dbb78faf2ffe30f7af06a461c6ce927fc0b4143