Merge "Removing redundant waiting for window change event and adding debug logging for dragging and dropping." into tm-dev am: d4909d3047 am: 3019939c93

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18206592

Change-Id: I9e9ef723eba276d97839596445a9e09aa680e426
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>