Merge "Fixes NPE in AbsSwipeUpHandler." into sc-dev am: cf6900d9ee am: ddaab15dba am: aaaddc7c31

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

Change-Id: I312e16da9dce223f85e1f34ab3d1e49a7450f438