[Purpose of this Feature/Patch]
fix an issue that speaker volume suddenly increase after connected to a BT headset success

From hci log,we can see the GET_REPORT cmd not be send, and trace stack,
discovery the function bta_hh_co_get_rpt_rsp have a issue:  when
p_dev->get_rpt_snt--, if  p_dev->get_rpt_snt value is 0, It will become
to 255.

[Buganizer]
b/136195302

Change-Id: I4d0131a15720e597ceb3692ffc831e6eb9a6c334
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 2a59877..a83b337 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -363,7 +363,7 @@
         AudioSystem.STREAM_MUSIC,       // STREAM_MUSIC
         AudioSystem.STREAM_MUSIC,       // STREAM_ALARM
         AudioSystem.STREAM_MUSIC,       // STREAM_NOTIFICATION
-        AudioSystem.STREAM_MUSIC,       // STREAM_BLUETOOTH_SCO
+        AudioSystem.STREAM_BLUETOOTH_SCO,       // STREAM_BLUETOOTH_SCO
         AudioSystem.STREAM_MUSIC,       // STREAM_SYSTEM_ENFORCED
         AudioSystem.STREAM_MUSIC,       // STREAM_DTMF
         AudioSystem.STREAM_MUSIC,       // STREAM_TTS