InputMapper refactor: Configure empty InputDevice am: 7f4dd5124c am: 6c85646a25

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23316820

Change-Id: I0c08bcff595375db2ac2619a99f9ae5c5eb7bc3d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>