Merge "Adding support for easily extending Launcher DragAndDrop support" into...

Merge "Adding support for easily extending Launcher DragAndDrop support" into tm-dev am: d7281d09 am: 69d342ab am: dda9a843

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18287509



Change-Id: I188957a6d8cf980af4f7e2cd41a6cfabbb75e578
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>