Allow InputProcessor HAL to read display resolution

Currently, there's no API to read the resolution from the system domain,
so the HAL has to read this from the sysprop provided by the display
code.

Allow the HAL to do so in this CL.

Bug: 244492960
Test: adb shell dmesg | grep input_processor
Change-Id: Ibdc3589234bbee8641e3c1f7a300b622803ca1a9
1 file changed