Merge "Add a unit test for TouchpadInputMapper" into udc-dev am: 1930f60d am: a627330f am: 656cce27

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



Change-Id: I9f3f6337b96d26a5e1c89014773466d146e3c518
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>