Merge "Fixes NPE in AbsSwipeUpHandler." into sc-dev am: cf6900d9ee am: 5c3ce04d0a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14436551

Change-Id: I67698380f15f3a57ea094b862f734a7ea2fa1d1b