Use call context to propagare LR costs
diff --git a/grpc.gemspec b/grpc.gemspec
index 335021f..82c9d68 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -143,6 +143,7 @@
   s.files += %w( include/grpc/grpc.h )
   s.files += %w( include/grpc/grpc_posix.h )
   s.files += %w( include/grpc/grpc_security_constants.h )
+  s.files += %w( include/grpc/load_reporting.h )
   s.files += %w( include/grpc/slice.h )
   s.files += %w( include/grpc/slice_buffer.h )
   s.files += %w( include/grpc/status.h )