Merge "input: use optionals for PropertyMap getters" into udc-dev am: 05e5fa83

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/21987744



Change-Id: I568852610fea02f194b914d0112916560380ab35
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>