Merge "TouchpadInputMapper: send hover events after UP" into udc-qpr-dev am: 175d715a23 am: 48afe34c95

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23970606

Change-Id: Id26bbdf18e4f05cbdc0c4f11b9fb3aa7c91a07e1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>