Notify InputListener when there an changes to input devices am: e3da4bbc9c am: d2c12c5aed

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/22497846

Change-Id: Idab016801f379426b687288a578fdc2e2f3a3745
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>