Add a new api to support HDCP

A special HDCP level change callback is reported.

Bug: 293945485
Test: manual
Change-Id: I096554a9e1f69c3dba7c7da58917f2b498ae8726
diff --git a/drm/common/aidl/Android.bp b/drm/common/aidl/Android.bp
index 1e4b8e0..c5cb441 100644
--- a/drm/common/aidl/Android.bp
+++ b/drm/common/aidl/Android.bp
@@ -9,6 +9,7 @@
 
 aidl_interface {
     name: "android.hardware.drm.common",
+    host_supported: true,
     vendor_available: true,
     srcs: ["android/hardware/drm/*.aidl"],
     stability: "vintf",
@@ -22,6 +23,9 @@
         ndk: {
             min_sdk_version: "34",
         },
+        rust: {
+            enabled: true,
+        },
     },
     double_loadable: true,
     versions_with_info: [