Merge "Overview Actions - enable proactive actions flag." into ub-launcher3-rvc-qpr-dev am: 2ddbe127fb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12286410

Change-Id: I54898c6a1a47d271c8d18c17d24a5acb6e67fd1e