Merge "Handle duplicate DOWN event" into sc-qpr1-dev am: 6ce3c76c24 am: aa9afafcaa am: a3a4408717

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15887942

Change-Id: Ica7f313cd0b99c727493dc9b09283bff93b6d765