Merge "Add a unit test for TouchpadInputMapper" into udc-dev am: 1930f60ddf am: e166fe7974 am: f1e0ae7dc4

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

Change-Id: I994698e43f0e75f1f72548f31e3ad892efa93a51
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>