Merge "Tuning app close, and turn on flag." into sc-dev am: 951962cd05 am: 122594d6c7

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14512489

Change-Id: I265a2adb39546175befb9ad44e9b690dd3ad5d87