Merge "Fixes NPE with system shortcuts." into ub-launcher3-rvc-dev am: 24ce95124e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12035570

Change-Id: Ifb267c2202b94d8d4c30f0485538ce3f7e6101d0