Merge "Use windowInsets for bottomGestureSize instead of gestureInsets" into sc-v2-dev am: 758faccca3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15502311

Change-Id: I8445496c31dc12ebc1c9f9e18257d5f0bf44f987