Add the new header to build.json and regenerate projects
diff --git a/Makefile b/Makefile
index 3e7930b..8cd7160 100644
--- a/Makefile
+++ b/Makefile
@@ -3854,6 +3854,7 @@
     include/grpc++/generic_stub.h \
     include/grpc++/impl/call.h \
     include/grpc++/impl/client_unary_call.h \
+    include/grpc++/impl/grpc_library.h \
     include/grpc++/impl/internal_stub.h \
     include/grpc++/impl/rpc_method.h \
     include/grpc++/impl/rpc_service_method.h \
@@ -4117,6 +4118,7 @@
     include/grpc++/generic_stub.h \
     include/grpc++/impl/call.h \
     include/grpc++/impl/client_unary_call.h \
+    include/grpc++/impl/grpc_library.h \
     include/grpc++/impl/internal_stub.h \
     include/grpc++/impl/rpc_method.h \
     include/grpc++/impl/rpc_service_method.h \