beckham: Downver audio halVersion to 2.0

* Fixes incall audio
* Special thanks to @trpsl

Change-Id: Ie59af90ae189730cac171583229f5c24d6271c0e

audio/audio_policy_configuration.xml

@@ -28,7 +28,7 @@
     -->
     <modules>
         <!-- Primary Audio HAL -->
-        <module name="primary" halVersion="3.0">
+        <module name="primary" halVersion="2.0">
             <attachedDevices>
                 <item>Earpiece</item>
                 <item>Speaker</item>
@@ -162,7 +162,7 @@
             </routes>
         </module>
 
-        <module name="vx_motvr" halVersion="3.0">
+        <module name="vx_motvr" halVersion="2.0">
             <mixPorts>
                 <mixPort name="primary input" role="sink" flags="AUDIO_INPUT_FLAG_HW_HOTWORD">
                     <profile name="" format="AUDIO_FORMAT_PCM_16_BIT"