Add default implementation for CAS AIDL

Bug: 230377377, 227673974
Test: manual
Change-Id: I85015dd6e1a69ff9b57f832f5b1cd01fb65dda25
diff --git a/cas/aidl/default/cas-default.rc b/cas/aidl/default/cas-default.rc
new file mode 100755
index 0000000..e00b9c5
--- /dev/null
+++ b/cas/aidl/default/cas-default.rc
@@ -0,0 +1,7 @@
+service vendor.cas-default /vendor/bin/hw/android.hardware.cas-service.example
+    interface aidl android.hardware.cas.IMediaCasService/default
+    class hal
+    user media
+    group mediadrm drmrpc
+    ioprio rt 4
+    task_profiles ProcessCapacityHigh