Revert "InputMapper refactor: Configure empty InputDevice" am: 7f1765e2e6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23971267

Change-Id: I92f68138992a3b1f42ece05b32270448530b71bb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>