Looking back at the current INPUT_LISTENER_CB_DEFINE api naming, it
feels like it's a bit overloaded. Rename it to a simpler
INPUT_CALLBACK_DEFINE.
Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
Add an input device to take input key events as an input and generates
short press or long press devices as output.
Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>