Add AOA gamepad support

Similar to AOA keyboard and mouse, but for gamepads.

Can be enabled with --gamepad=aoa.

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

app/data/bash-completion/scrcpy

@@ -26,6 +26,7 @@ _scrcpy() {
         -e --select-tcpip
         -f --fullscreen
         --force-adb-forward
+        --gamepad=
         -h --help
         -K
         --keyboard=
@@ -127,6 +128,10 @@ _scrcpy() {
             COMPREPLY=($(compgen -W 'disabled sdk uhid aoa' -- "$cur"))
             return
             ;;
+        --gamepad)
+            COMPREPLY=($(compgen -W 'disabled aoa' -- "$cur"))
+            return
+            ;;
         --orientation|--display-orientation)
             COMPREPLY=($(compgen -W '0 90 180 270 flip0 flip90 flip180 flip270' -- "$cur"))
             return