Definitions in audio_manager_voice_service.h

#define AUDIO_VOICE_SERVICE_NAMES {                                   \
    "cellular",                     \
    "voip",                         \
}

#define AUDIO_VOICE_STATUS_NAMES {                                   \
    "off",                          \
    "ringer",                       \
    "on",                           \
}

#define AUDIO_VOICE_OPTION_NAMES {                                   \
    "normal",                       \
    "boost_treble",                 \
    "boost_bass",                   \
}

#define AUDIO_VOICE_CODEC_NAMES {                                   \
    "narrowband",                   \
    "wideband",                     \
}