android: Add HAL_SERVICE_ID_MAX define

diff --git a/android/hal-msg.h b/android/hal-msg.h
index 58fff4d..f19d0d0 100644 (file)
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
@@ -42,6 +42,8 @@ struct hal_msg_hdr {
 #define HAL_SERVICE_ID_AVRCP           8
 #define HAL_SERVICE_ID_GATT            9
 
+#define HAL_SERVICE_ID_MAX HAL_SERVICE_ID_GATT
+
 /* Core Service */
 
 #define HAL_MSG_OP_ERROR               0x00