Make -K -M and -G use AOA in OTG mode

For convenience, short options were added to select UHID input modes:
 - -K for --keyboard=uhid
 - -M for --mouse=uhid
 - -G for --gamepad=uhid

In OTG mode, UHID is not available, so the short options should select
AOA instead.

PR #5270 <https://github.com/Genymobile/scrcpy/pull/5270>