InputMapper refactor: Configure empty InputDevice am: 4f61f3c959

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/23660747

Change-Id: I117c0267ba94c4b07a967e0ef28ad0513f244be3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>