Merge "Refactor SearchAlgorithm and SearchCallback interface to work on generic search result type." into sc-dev am: 4ffd4f03c6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/13581959

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ia87c937f66280967408f31f6c39018227f8cae72