Delegate AppPredictor creation to a factory class am: 4b933dfd64

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/IntentResolver/+/20205499

Change-Id: Ib285cf42e227ff92d6a353651c1ab1ce964d5029
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>