Merge "Factor native ranks provided by apps into shortcut targets ranking....

Merge "Factor native ranks provided by apps into shortcut targets ranking. This would help rank shortcuts targets properly when there is no enough sharing history on them." into rvc-dev am: d5fe3bf3 am: fee66e44 am: 5a70f605 am: da0dc2be

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11827741

Change-Id: I6d3002faa65ee60fd60a30b8488b47f0478d776a