Add audio_is_hearing_aid_out_device

Bug: 69623109
Change-Id: Ie0e41e4d30f669eedf8011dd0e717c19ee54ca13
diff --git a/audio/include/system/audio.h b/audio/include/system/audio.h
index c73141a..713214c 100644
--- a/audio/include/system/audio.h
+++ b/audio/include/system/audio.h
@@ -599,6 +599,11 @@
     return false;
 }
 
+static inline bool audio_is_hearing_aid_out_device(audio_devices_t device)
+{
+    return device == AUDIO_DEVICE_OUT_HEARING_AID;
+}
+
 static inline bool audio_is_usb_out_device(audio_devices_t device)
 {
     return ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_ALL_USB));