- Split preferences from audio category to avoid removing whole category upon nonexsting single preference
- Previously there were only headphone and microphone gain which were from same kernel driver and it was logical
to remove the category when one of the preferences does not exist.
* Either fix the position of the multiple substitution
* or add formatted="false" in non-positional localized string
Bug: error: multiple substitutions specified in non-positional format;
Signed-off-by: OdSazib <odsazib@gmail.com>
