Merge "Cancel drag and drop when pointers are canceled for the drag window" into main am: 939393d987

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2658296

Change-Id: I14ac58796ea522c494bbed3132aee67d965c13bc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>