Merge "Allow input device config files in product and system_ext." into sc-dev am: f933d3c8 am: ee88243e am: 7846040b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/14388083

Change-Id: Iaf877c66150b0f1e4aefaf94e2ebe70b501b46a9