Merge "Prevent dropping a drag from TaskbarAllApps in Overview" into tm-qpr-dev am: 50306445

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20324839



Change-Id: Ie80c46c5c86fde41f259ff2e07ca4213b45a673d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>