Add ImsMedia APIs for interworking with vendor RTP stacks

Bug: 203240638
Test: Make
Change-Id: Iac9ab17265e36cd15277098fb3dbab1bbf778982
diff --git a/radio/aidl/Android.bp b/radio/aidl/Android.bp
index c5a3a8b..44b1fd9 100644
--- a/radio/aidl/Android.bp
+++ b/radio/aidl/Android.bp
@@ -176,3 +176,25 @@
         },
     },
 }
+
+aidl_interface {
+    name: "android.hardware.radio.ims.media",
+    vendor_available: true,
+    srcs: ["android/hardware/radio/ims/media/*.aidl"],
+    stability: "vintf",
+    imports: ["android.hardware.radio.data"],
+    backend: {
+        cpp: {
+            enabled: false,
+        },
+        java: {
+            sdk_version: "module_current",
+        },
+        ndk: {
+            vndk: {
+                enabled: true,
+            },
+        },
+    },
+}
+