Add --require-audio

By default, scrcpy mirrors only the video when audio capture fails on
the device. Add a flag to force scrcpy to fail if audio is enabled but
does not work.

PR #3757 <https://github.com/Genymobile/scrcpy/pull/3757>

app/data/bash-completion/scrcpy

@@ -45,6 +45,7 @@ _scrcpy() {
         -r --record=
         --record-format=
         --render-driver=
+        --require-audio
         --rotation=
         -s --serial=
         --shortcut-mod=