Merge "Fix a couple of drag and drop issues from transient taskbar" into tm-qpr-dev am: 2a567ec8

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21527497



Change-Id: Ica30f4d7a313b5966b8ca72654f4002e581faf31
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>