Merge "Add a unit test for TouchpadInputMapper" into udc-dev am: 1930f60ddf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23267663

Change-Id: I5d357ca6fc1c5e3c1a265effe293d883836bee02
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>