audio hal: add interface declaration for audio hal service

Add interface declaration for new version of audio
hal service.

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
diff --git a/audio/common/all-versions/default/service/android.hardware.audio@2.0-service.rc b/audio/common/all-versions/default/service/android.hardware.audio@2.0-service.rc
index 6e91bcc..cc93ba6 100644
--- a/audio/common/all-versions/default/service/android.hardware.audio@2.0-service.rc
+++ b/audio/common/all-versions/default/service/android.hardware.audio@2.0-service.rc
@@ -10,5 +10,6 @@
     # and its .rc file has an "onrestart restart audio-hal" rule, thus
     # an additional auto-restart from the init process isn't needed.
     oneshot
+    interface android.hardware.audio@5.0::IDevicesFactory default
     interface android.hardware.audio@4.0::IDevicesFactory default
     interface android.hardware.audio@2.0::IDevicesFactory default