[Feature][API-1401] Turning on pulseaudio doesn't load causing no sound on the first call

Only Configure: No
Affected branch: GSW3.0-No-Connman
Affected module: audio
Is it affected on both ZXIC and MTK:only MTK
Self-test: Yes
Doc Update:No

Change-Id: I3f0d660da6e9760ebc6dc8d63481da1dd75f10f3
diff --git a/framework/lynq-audio-service/src/lynq_audio_service.c b/framework/lynq-audio-service/src/lynq_audio_service.c
index 9e1957c..cdf425d 100755
--- a/framework/lynq-audio-service/src/lynq_audio_service.c
+++ b/framework/lynq-audio-service/src/lynq_audio_service.c
@@ -5,7 +5,8 @@
 
 int main()
 {
-    system("/usr/bin/pulseaudio -D");
+    RLOGD("Open the pulseaudio service\n");
+    system("/usr/bin/pulseaudio -D --system");
     while(1)
     {
         sleep(UINT32_MAX);