nash: audio: Add BT SCO to routes list

- Issue with returning a valid device descriptor
  since BT SCO is not defined in IOProfile.
- First attempt to retrieve devicedescriptor from
  the available HwModule may fail due to address
  and encoded format conditions.
- Further device descriptor query is based on IOProfile
  with devices defined in audio_policy_configuration.
- This change adds BT SCO to IOProfile.

Change-Id: I52225070e97dd702f965ca5dbb5db9d128df1faf

audio/audio_policy_configuration.xml

@@ -105,7 +105,11 @@
                 </devicePort>
                 <devicePort tagName="Dock Headset" type="AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET" role="sink">
                 </devicePort>
-                <devicePort tagName="BT SCO" type="AUDIO_DEVICE_OUT_ALL_SCO" role="sink">
+                <devicePort tagName="BT SCO" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO" role="sink">
+                </devicePort>
+                <devicePort tagName="BT SCO Headset" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET" role="sink">
+                </devicePort>
+                <devicePort tagName="BT SCO Car Kit" type="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT" role="sink">
                 </devicePort>
                 <devicePort tagName="HDMI Out" type="AUDIO_DEVICE_OUT_HDMI" role="sink">
                 </devicePort>
@@ -142,6 +146,10 @@
                        sources="primary output,deep_buffer,compressed_offload"/>
                 <route type="mix" sink="BT SCO"
                        sources="primary output,deep_buffer,compressed_offload"/>
+                <route type="mix" sink="BT SCO Headset"
+                       sources="primary output,deep_buffer,compressed_offload"/>
+                <route type="mix" sink="BT SCO Car Kit"
+                       sources="primary output,deep_buffer,compressed_offload"/>
                 <route type="mix" sink="HDMI Out"
                        sources="primary output,deep_buffer,compressed_offload"/>
                 <route type="mix" sink="Telephony Tx"