Allow device to have use Audio HAL V6

This HAL is optional for now as breaking changed are planned.
It might get required for new device before R release.

Test: push V6 to device and check audio works fine
Bug: 134940862
Change-Id: Ib4a906da1c1d3d489003a6642bfc55b142424155
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index d4f53cd..d708b57 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -10,6 +10,7 @@
     <hal format="hidl" optional="false">
         <name>android.hardware.audio</name>
         <version>5.0</version>
+        <version>6.0</version>
         <interface>
             <name>IDevicesFactory</name>
             <instance>default</instance>
@@ -18,6 +19,7 @@
     <hal format="hidl" optional="false">
         <name>android.hardware.audio.effect</name>
         <version>5.0</version>
+        <version>6.0</version>
         <interface>
             <name>IEffectsFactory</name>
             <instance>default</instance>