Make InputReader logs available dynamically

This will allow InputReader to turn on logs without having to rebuild
and make it easier to debug.

This CL also moved DEBUG_LIGHT_DETAILS from PeripheralController and DEBUG_FOCUS from FocusResolver.

Bug: 211915757
Test: adb shell setprop log.tag.InputReaderRawEvents DEBUG
Test: check that the logs get enabled
Change-Id: Icf9ea0a797cfc5974ebac51ca71b3c20337536c5