Adding IAudioControl@2.0 to compatibility matrix

Bug: 148178269
Test: built target using V2 of IAudioControl
Change-Id: I9673e35f2f9e667b66e1b9fbfa2fb13b975b7cb1
diff --git a/compatibility_matrices/compatibility_matrix.5.xml b/compatibility_matrices/compatibility_matrix.5.xml
index b5f8413..38f589d 100644
--- a/compatibility_matrices/compatibility_matrix.5.xml
+++ b/compatibility_matrices/compatibility_matrix.5.xml
@@ -34,6 +34,7 @@
     <hal format="hidl" optional="true">
         <name>android.hardware.automotive.audiocontrol</name>
         <version>1.0</version>
+        <version>2.0</version>
         <interface>
             <name>IAudioControl</name>
             <instance>default</instance>