Merge "Add NPE check for prediction controller" into rvc-dev am: f8e12b78bf am: 53c7ddd7fd am: 39e1af9a27 am: 4585f9f3c5

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

Change-Id: I18caa4806f4933059fb1bdc5165e5aa80b5bd605