Merge "Refactor arrow popups to allow easier code overriding and sharing." into sc-v2-dev am: 03be53443d am: 55626aedb4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15897839

Change-Id: Ic51602d41a025986dfdf5b502609d5d23bd31bea