Merge "Clear all DragView in onResume" into tm-dev am: a3764216a8

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18284044

Change-Id: I37f27859305fe028994558e1f232ade70baa9b5b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>