security: see: hdcp: add HDCP Auth Control interface

Bug: 380193246
Test: atest VtsAidlHdcpNonExistentTest
Change-Id: I479621a51cd177e9bda0b551c5088f6c7e72e88f
diff --git a/drm/Android.bp b/drm/Android.bp
new file mode 100644
index 0000000..35c1b03
--- /dev/null
+++ b/drm/Android.bp
@@ -0,0 +1,5 @@
+dirgroup {
+    name: "trusty_dirgroup_hardware_interfaces_drm",
+    dirs: ["."],
+    visibility: ["//trusty/vendor/google/aosp/scripts"],
+}
diff --git a/drm/aidl/Android.bp b/drm/aidl/Android.bp
index 827621c..7ee8c34 100644
--- a/drm/aidl/Android.bp
+++ b/drm/aidl/Android.bp
@@ -27,6 +27,9 @@
         ndk: {
             min_sdk_version: "34",
         },
+        rust: {
+            enabled: true,
+        },
     },
     double_loadable: true,
     versions_with_info: [