Merge "libbinder_ndk: document association for dead binder" am: e8dbb82165 am: a77f6994e7 am: c3b98a9ddb

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1356962

Change-Id: I948af5364408dc3381924a8c59779d07f4e438f4
diff --git a/libs/binder/ndk/include_ndk/android/binder_ibinder.h b/libs/binder/ndk/include_ndk/android/binder_ibinder.h
index 13dbec1..33763d5 100644
--- a/libs/binder/ndk/include_ndk/android/binder_ibinder.h
+++ b/libs/binder/ndk/include_ndk/android/binder_ibinder.h
@@ -408,6 +408,8 @@
  * This returns true if the class association succeeds. If it fails, no change is made to the
  * binder object.
  *
+ * Warning: this may fail if the binder is dead.
+ *
  * Available since API level 29.
  *
  * \param binder the object to attach the class to.