add mixer path for BT SCO voice call

Bug: 297794937
Test: manual

Change-Id: I22c46a42ff428c716c0918981647e8806007371c
Signed-off-by: Yung Ti Su <[email protected]>

audio/lynx/aidl_config/mixer_paths_aidl.xml

@@ -935,6 +935,18 @@
     <ctl name="BT_RX Mixer EP5" value="1" />
   </path>
 
+  <path name="voice-call-downlink-0 -> bluetooth-sco-default">
+    <path name="voice-call-downlink-0 -> bt" />
+  </path>
+
+  <path name="voice-call-downlink-0 -> bluetooth-sco-headset">
+    <path name="voice-call-downlink-0 -> bt" />
+  </path>
+
+  <path name="voice-call-downlink-0 -> bluetooth-sco-car-kit">
+    <path name="voice-call-downlink-0 -> bt" />
+  </path>
+
   <path name="voice-call-downlink-0 -> usb">
     <ctl name="USB_RX Mixer EP5" value="1" />
   </path>