Add comment for remote task data.

Test: None
Bug: 274153816
Change-Id: Ib293d192c4ffe0e7374379359b2cf8463af25615
diff --git a/automotive/remoteaccess/android/hardware/automotive/remoteaccess/IRemoteTaskCallback.aidl b/automotive/remoteaccess/android/hardware/automotive/remoteaccess/IRemoteTaskCallback.aidl
index 7a1616f..2cd7a5d 100644
--- a/automotive/remoteaccess/android/hardware/automotive/remoteaccess/IRemoteTaskCallback.aidl
+++ b/automotive/remoteaccess/android/hardware/automotive/remoteaccess/IRemoteTaskCallback.aidl
@@ -24,6 +24,10 @@
     /**
      * A callback that is called when a remote task is requested.
      *
+     * The data is passed down from the remote server to the remote task client
+     * which is an Android application, and is not interpreted/parsed by the
+     * Android system.
+     *
      * @param clientId An ID to uniquely identify a remote task client.
      * @param data Opaque task data passed to the remote task client.
      */