avsync: handle video timeout during start [2/2]

PD#SWPL-47489

Problem:
When poll thread is triggered, need to know whether audio start should
be triggered.

Solution:
Check v_active and v_timeout and trigger audio start if any of them
appears.

Verify:
U212 + Cobalt

Change-Id: I32db016e50ed19cecbf8a415d0df2f1fc13b04a5
diff --git a/src/msync_util.c b/src/msync_util.c
index 6bc9c32..4eaa41d 100644
--- a/src/msync_util.c
+++ b/src/msync_util.c
@@ -281,7 +281,8 @@
     return msync_session_set_event(fd, AVS_VIDEO_STOP, 0);
 }
 
-int msync_session_get_stat (int fd, enum sync_mode *mode, bool *v_active, bool *a_active)
+int msync_session_get_stat (int fd, enum sync_mode *mode,
+        bool *v_active, bool *a_active, bool *v_timeout)
 {
     int rc;
     struct session_sync_stat stat;
@@ -313,6 +314,8 @@
         *v_active = stat.v_active;
     if (a_active)
         *a_active = stat.a_active;
+    if (v_timeout)
+        *v_timeout = stat.v_timeout;
 
     return rc;
 }