Merge "Add NPE check for prediction controller" into rvc-dev am: f8e12b78bf am: 53c7ddd7fd am: 39e1af9a27

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12001481

Change-Id: I7b12335bc3f9b1d85a1d3600e3232251593af8e5