Parcel marshall error explain objects

A kernel binder object for libbinder can either be a binder object
or an FD.

Bug: N/A (from email thread)
Test: N/A
Change-Id: Iaa02595c5859879749f776222eccca52e782cbfb

core/jni/android_os_Parcel.cpp

@@ -549,10 +549,10 @@ static jbyteArray android_os_Parcel_marshall(JNIEnv* env, jclass clazz, jlong na
        return NULL;
     }
 
-    // do not marshall if there are binder objects in the parcel
     if (parcel->objectsCount())
     {
-        jniThrowException(env, "java/lang/RuntimeException", "Tried to marshall a Parcel that contained Binder objects.");
+        jniThrowException(env, "java/lang/RuntimeException",
+                          "Tried to marshall a Parcel that contains objects (binders or FDs).");
         return NULL;
     }