Merge "Deference mAppPredictor on destroy" into rvc-dev am: d76fa360e7 am: 2d0ad5b57d am: 22e1d99be4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12003747

Change-Id: I0a6ea2982776c448f1406d66f5e951357c913f23