Sync from Piper @334206209

PROTOBUF_SYNC_PIPER
diff --git a/js/binary/constants.js b/js/binary/constants.js
index f8b13a8..d2e62e5 100644
--- a/js/binary/constants.js
+++ b/js/binary/constants.js
@@ -31,6 +31,7 @@
 /**
  * @fileoverview This file contains constants and typedefs used by
  * jspb.BinaryReader and BinaryWriter.
+ * @suppress {missingRequire} TODO(b/152540451): this shouldn't be needed
  *
  * @author aappleby@google.com (Austin Appleby)
  */