audio: hal: support for out start delay

-Changes to add support for out start delay

Change-Id: I27a55267efa888925c837639cb3349c6e19da249
diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index eb639c0..68dc91b 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -266,6 +266,7 @@
     uint32_t platform_latency;
     render_mode_t render_mode;
     struct audio_out_render_window_param render_window; /*render winodw*/
+    struct audio_out_start_delay_param delay_param; /*start delay*/
 
     audio_offload_info_t info;
 };