Merge "Add a unit test for TouchpadInputMapper" into udc-dev am: 1930f60ddf am: a627330fe9 am: 656cce27d6 am: 171d6cfe45

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

Change-Id: Ifd7f3efcbd461e109fd97585d4dec6cbb80a82e2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>